Consider this your fair warning - DLL download sites should always be avoided, even though they sometimes provide a quick fix. There are perfectly safe and acceptable ways of fixing DLL problems without resorting to downloading individual DLL files from these sites.

There are a number of reasons that you may end up paying more for your easy solution than you might have thought so check out these very important reasons to avoid downloading dll files.
DLL Download Sites are Not Approved Sources for DLL Files

DLL files are created and distributed by companies that develop software. Sometimes that software company is Microsoft, sometimes it is not. Many companies create DLL files as part of their software packages.

A stable, clean, and updated copy of any DLL file can only be guaranteed by the developer. Websites that allow individual DLL downloads are in all but the rarest cases not approved places for downloading DLLs.
Installing a Single DLL File is Often a Bandage for a Larger Problem

DLL files are only small parts of entire software programs. Often times, an error message that singles out an individual DLL file is only telling you part of the story. The particular error is often being generated only because it’s the first problem the software is encountering, not because it’s the single cause of the problem.

When you download and replace a DLL file from a DLL download site, you’re often only solving one small part of a larger problem. Usually, the solution to the larger problem is to reinstall the entire software package that the DLL originated from.

Even if replacing a single DLL file fixes your immediate issue, additional problems tend to show up later, often as error messages notifying you of yet another missing DLL file. Save yourself a lot of time and energy and fix the problem right the first time.
DLLs from DLL Download Sites are Often Outdated

DLL download sites exist solely so you’ll find them on a search engine and hopefully click on their advertisements. They are not true software support sites and have little if any incentive to keep their DLL files updated. However, the software company that actually developed the DLL file will always have the most up to date and functional file available.

Software developers rarely have single DLL files available for download, so if a reinstall of their software program doesn’t replace or repair the DLL file you’re after, I recommend contacting the company and requesting a copy of the file.

Note: Sometimes you may receive a DLL error message when using a particular program but the DLL file may not be supported by the developer of that program. This is actually very common since DLL files are often shared between programs. A great example is the “D3dx9_30.dll Not Found” error that will sometimes show up before certain video games. The file is actually a DirectX 9 file and is supported and supplied by Microsoft in their DirectX software package.
DLL Files from DLL Download Sites May be Infected with Viruses

Since DLL download sites are not approved sources for DLL files and often have little if any contact information available, there is no guarantee that the DLL file you just downloaded is free from a virus infection. Assuming you have a good antivirus program, an infected DLL file might be quarantined as you download it but there is certainly no guarantee of that. Take the safe route and simply avoid downloading DLL files from these DLL download sites.
DLL Download Sites Could Host DLL Files That Could Compromise Your Computer’s Security

DLL files are like small, specialized programs that can be programmed to perform various actions automatically, even actions that open your computer up to hacking and other kinds of intrusions. DLL files like this do exist. While it’s unlikely that you will search for one of these particular DLLs files to download and install, it is a risk you take when you install a DLL file in your system from a DLL download site. Don’t risk it - follow the advice in the previous several tips and acquire the DLL from its source, not from a “back alley” DLL dealer!

There are a number of different ways that d3dx9_25.dll errors may display on your computer. Some of the more common d3dx9_25.dll error messages are listed here:

• “D3DX9_25.DLL Not Found”
• “Cannot find d3dx9_25.dll”
• “The dynamic link library d3dx9_25.dll could not be found in the specified path [PATH]“
• “The file d3dx9_25.dll is missing”
• “D3DX9_25.DLL is missing. Replace D3DX9_25.DLL and try again.”
• “D3dx9_25.dll not found. Reinstalling the application might fix this.”
• “Error initializing the application because the file d3dx9_25.dll was not found”
• “The application failed to start because d3dx9_25.dll was not found.”

D3dx9_25.dll errors usually appear when a software program, typically a video game, is started. Occasionally, d3dx9_25.dll errors will show up after a game is loaded but right before the actual game starts.

In other applications, a d3dx9_25.dll error might show up before certain advanced graphics features are initiated.

Cause of D3dx9_25.dll Errors

D3dx9_25.dll issues are caused in one way or another by a single issue - some kind of problem with Microsoft DirectX.

The d3dx9_25.dll file is one of many files that make up the DirectX software collection. Since DirectX is utilized by most Windows based games, d3dx9_25.dll errors usually show up only when using these programs.

Note: If you’ve already downloaded d3dx9_25.dll from one of those DLL download sites, remove it from wherever you copied it to and continue with the these steps.

1. Restart your computer.

The d3dx9_25.dll error might be a one-time problem and a simple restart could clear it up completely. It’s unlikely this will fix the problem, but restarting is always a good first troubleshooting step.

2. Install the latest version of Microsoft DirectX 9. Chances are, upgrading to the latest version of DirectX 9 will fix the d3dx9_25.dll not found error.

Note: Microsoft often releases updates to DirectX 9 without updating the version number or letter so be sure to install the latest release even if your version is technically the same.

Note: Are you a Windows Vista user with DirectX 10? Your game or program may still need DirectX 9 files to run properly so give the installation a try. Don’t worry, both versions of DirectX can be run side by side in Windows Vista.

3. Assuming the latest DirectX version from Microsoft doesn’t fix the d3dx9_25.dll error you’re receiving, look for a DirectX installation program on your game or application CD or DVD. Usually, if a game or other program utilizes DirectX, the software developers will include an installable copy of DirectX on the setup disc.

Sometimes, though not often, the DirectX version included on the disc will work better with the program than the latest version available online.

4. Uninstall the game or software program and then reinstall it again. Something may have happened to the files in the program that work with the d3dx9_25.dll file and a simple reinstall could do the trick.

5. Restore the d3dx9_25.dll file from DirectX 9. If the above troubleshooting steps haven’t worked to solve your d3dx9_25.dll error, try extracting the d3dx9_25.dll individually from the DirectX 9 package.

6. Update the drivers for your video card. While it’s not the most common solution, in some situations updating the drivers for the video card in your computer could correct this DirectX issue.

• The kernel, which represents the operating system’s basic functions such as management of memory, processes, files, main inputs/outputs and communication functionalities.
• The shell, allowing communication with the operating system via a control language, letting the user control the peripherals without knowing the characteristics of the hardware used, management of physical addresses, etc.
• The file system, allowing files to be recorded in a tree structure.

Error #0
Error Message: Connection Successful!
Solution: Does not require any repairs.

Error #2
Error Message: System cannot find specified file
Solution: You should reinstall NCP & DUN

Error #5
Error Message: Access Denied
Solution:
1. Ensure that you have entered the right username and password in the field labeled ????domainfor NT/2k.
2. Check that the option ????accept any authentication including clear textis activated.

Error #5
Error Message: Invalid Procedure Call
Solution: Dialup and Network components must be installed again

Error #6
Error Message: Stack Overflow
Solution:
1. Try cold booting your computer.
2. If this does not work, the problem might come from your RAM or the Swap file.

Error #20
Error Message: The system cannot find the specified device
Solution:
1. Ensure that the right modem has been selected.
2. If it does not respond, try to reinstall it.
3. You can also try to reinstall NCP/DUN/RAS.

Error #71
Error Message: No more connections is allowed
Solution:
1. Someone else might have connected under your account.
2. If you have been ghosted on the server, your Internet Service Provider can bump the ghost program off.

Error #380
Error Message: Invalid Proper Value
Solution:
1. Autodial should be pointed to the correct dialer.
2. Else, set up the dialer again.

Error #600
Error Message: An operation is pending
Solution:
1. You should first try to reboot your computer.
2. Ensure that no other program is using your modem.
3. Else press Ctrl-Alt-Delete and if RNAAPP loads, contact a technician to fix this problem.
4. Make sure that your computer is Spyware free.

Error #601
Error Message: The port handle is invalid
Solution:
1. Select the modem????s COM port and under the Diagnosis section, open ????More Info????. You should reboot your computer if you are able to get Ati# responses. Hence, remove the erroneous init string or enter ATZ as the init.
2. You can also reinstall your modem
3. Else press Ctrl-Alt-Delete and if RNAAPP loads, contact a technician to fix this problem.
4. Your Dialup Networking should be installed again together with its components
5. Your modem might not be working properly. You should then consult your computer manufacturer.

Error #602
Error Message: The port is already open
Solution:
1. Try to reboot your computer
2. Ensure that no other program is using the modem
3. Else press Ctrl-Alt-Delete and if RNAAPP loads, contact a technician to fix this problem
4. Try uninstalling the AOL Adapters in the Network Control panel and reboot your computer. Install your Dialup Adapter again.
5. Remove the erroneous init string or enter ATZ as the init.
6. If you have Quicken 2000, deactivate the Quicken Download Manager.
7. You should maybe install your modem again.
8. Make sure that your computer is Spyware free.

Error #603
Error Message: Caller????s buffer is too small
Solution:
1. Ensure that your port speed is not configured to a low speed
2. In your ????Port Settings????, ensure that FIFO is not set to low.
3. Your Dialup Networking should perhaps be installed again together with its components
4. If you are still having problems, contact your computer manufacturer.

Error #604
Error Message: Wrong information specified.
Solution:
1. Ensure that the are no outages within your area
2. Try to enter the username and password again
3. Set up the dialer again
4. Your Dialup Networking should be installed again together with its components
5. You can also try to reinstall your modem

Error #605
Error Message: Cannot set port information.
Solution:
1. Ensure that the are no outages within your area
2. Try to enter the username and password again
3. Set up the dialer again
4. Your Dialup Networking should be installed again together with its components
5. You can also try to reinstall your modem

Error #606
Error Message: The port is not connected.
Solution:
1. Select the modem????s COM port and under the Diagnosis section, open ????More Info????. You should reboot your computer if you are able to get Ati# responses. Hence, remove the erroneous init string or enter ATZ as the init.
2. You can also reinstall your modem
3. Else press Ctrl-Alt-Delete and if RNAAPP loads, contact a technician to fix this problem.
4. Your modem might not be working properly. You should then consult your computer manufacturer if the problem persists.

Error #607
Error Message: The event is invalid.
Solution:
1. If this problem arises while dialing up to the internet, verify that the settings of the event log have been correctly set.
2. Try rebooting your system and ensure that the dialer/network settings have been correctly configured
3. Else, install RAS/DUN again.

Error #608
Error Message: The device does not exist.
Solution:
1. Check that the right modem is set in the dialer
2. Ensure that you are using the right modem drivers by checking the modem diagnostics. If it????s not the case, set up the correct drivers.
3. Remove and install the dialer again
4. Your modem might not be working properly; try to install it again.
5. You should then consult your computer manufacturer if the problem persists.

Error #609
Error Message: The device type does not exist.
Solution:
1. Check that the right modem is selected in the dialer
2. Ensure that you are using the right modem drivers by checking the modem diagnostics. If it????s not the case, set up the correct drivers.
3. Your modem might not be working properly; try to install it again.
4. You should then consult your computer manufacturer if the problem persists.

Error #610
Error Message: The buffer is invalid.
Solution:
1. Ensure that your port speed is set to low in the modem properties.
2. In your ????Port Settings????, check that FIFO is not set to low.
3. Remove and install the dialer again.
4. Else, install RAS/DUN again.
5. You should then consult your computer manufacturer if the problem persists.

Error #611
Error Message: The route is not available.
Solution:
1. Try to reboot your computer
2. Ensure that you set the right configurations for the dialer and network settings.
3. Else, install the network components again.
4. If you are using a LAN connection, consult your system administrator.

Error #612
Error Message: The route is not allocated.
Solution:
1. Reboot your computer
2. Ensure that you set the right configurations for the dialer and network settings.

Error #613
Error Message: Invalid compression specified.
Solution:
1. Try to reboot your computer
2. Else, add &K3 to the extra settings.
3. If this still does not solve the problem, add &K0.
4. You can also try to reinstall the modem.

Error #614
Error Message: Out of buffers.
Solution:
1. Ensure that our port speed is not too low.
2. Try to install your modem again.

Error #615
Error Message: The port was not found.
Solution: Try to install your modem drivers.

Error #616
Error Message: An asynchronous request is pending.
Solution:
1. Reboot your computer.
2. Try to install your modem drivers again.

Error #617
Error Message: The port or device is already disconnecting
Solution:
1. Wait until your modem disconnects properly.
2. If this operation is taking too long, reboot your computer.

Error #618
Error Message: The port is not open.
Solution:
1. Reboot your computer
2. Ensure that no other program is making use of the modem.

Error #619
Error Message: The port is disconnected.
Solution:
1. Reboot your computer
2. Ensure that no other program is making use of the modem.

Error #621
Error Message: Cannot open the phone book file.
Solution: Install Blue Frog connection software again.

Error #622
Error Message: Cannot load the phone book file.
Solution: Install Blue Frog connection software again

Error #623
Error Message: Cannot find the book entry.
Solution: Install Blue Frog connection software again

Error #626
Error Message: Cannot load a string
Solution:
1. Try to reboot your system.
2. Install Blue Frog connection software again

Error #627
Error Message: Cannot find key
Solution: Install Blue Frog connection software again

Error #628
Error Message: The port was disconnected
Solution:
1. Install Blue Frog connection software again
2. Try to install your modem drivers again.

Error #629
Error Message: The port was disconnected by the remote machine.
Solution:
1. Install Blue Frog connection software again
2. Try to enter an alternate Access Number
3. Try to install your modem drivers again.

Error #630
Error Message: The port was disconnected due to hardware failure.
Solution:
1. Install Blue Frog connection software again
2. Try to reinstall your modem drivers.
3. Try to use an alternate modem.
4. Else, replace your current modem with a new one.

Error #631
Error Message: The port was disconnected by the user.
Solution:
1. Ensure that the right Access Number is being dialed.
2. Try to reboot your computer.

Error #632
Error Message: The structure size is incorrect.
Solution:
1. Try to reboot your computer
2. Install Blue Frog connection software again

Error #633
Error Message: The port is already in use or is not configured for Remote Access dialout.
Solution:
Try to reboot your computer
Else try to reinstall your modem drivers.

Error #634
Error Message: Cannot register your computer on the remote network
Solution:
Try to check your network settings and modify your computer name.
Install the network control panel again.

Error #635
Error Message: Unknown Error
Solution:
1. Try to reboot your computer
2. Install Blue Frog connection software again
3. Else try to reinstall your modem drivers.

Error #636
Error Message: The wrong device is attached to the port
Solution: Check in your settings if you have chosen the right modem.

Error #637
Error Message: The string could not be converted
Solution:
Try to reboot your computer
Install Blue Frog connection software again

Error #638
Error Message: The request has timed out.
Solution:
Try to reboot your computer
Install Blue Frog connection software again

Error #645
Error Message: Internal authentication error.
Solution:
1. Try to reboot your computer
2. Install Blue Frog connection software again
3. Else try to reinstall your modem drivers.

Error #650
Error Message: The Remote Access server is not responding.
Solution:
Check that your connection and network settings have correctly been configured.
Ensure that the modem has been correctly set up and look for updated drivers.
Set FIFO buffers to a lower speed and ensure that you have unchecked the option ????Only connect at this speed????.

Error #676
Error Message: The line is busy
Solution: Ensure that your Access Number is still active and is correctly dialed.

Error #678
Error Message: There is no answer.
Solution:
1. First of all check that your phone lines are correctly plugged in.
2. Ensure that the Access Number is correct
3. Else, try another Access number
4. If you are trying to make use of your connection in a bad weather, this might be the source of the problem. Wait until it calms down and try again.
5. Else, install your modem drivers again.
6. If the problem persists, you might need to contact your ISP.

Error #680
Error Message: There is no dial tone.
Solution:
First of all check that your phone lines are correctly plugged in.
The phone lines might be damaged. Replace them and try again.
Else, install your modem drivers again.
If the problem persists, you might need to contact your ISP or a technician.

Error #691
Error Message: Access denied because username and/or password is invalid on the domain.
Solution:
1. Ensure that you have entered the right username and password.
2. Make sure that your account is active and turned on.
3. You might also try to enter another Access Number.
4. If the problem persists, you might need to contact your ISP.

Error #692
Error Message: Hardware failure in port or attached device.
Solution:
Browse for and remove any Blue Frog init strings.
Install Blue Frog connection software again
Else, install your modem drivers again.

Error #718
Error Message: PPP Timeout
Solution:
1. Try to reboot your computer
2. Ensure that you have entered the right username and password
3. You might try another Access Number
4. Install Blue Frog connection software again
5. Else, install your modem drivers again.

Error #721
Error Message: Remote PPP peer is not responding.
Solution: For Windows 2000/XP/Vista operating systems, ensure that the security setting for the dialer reads ????Allow unsecured Password????

Error #734
Error Message: The PPP link control protocol terminated.
Solution: For Windows 2000/XP/Vista operating systems, ensure that the security setting for the dialer reads ????Allow unsecured Password????

Error #777
Error Message: The connection attempt failed because the modem on the remote computer is out of order.
Solution:
1. Install Blue Frog connection software again
2. Try an alternate modem
3. Install your modem drivers again
4. Else, install a new modem

Error #778
Error Message: It was not possible to verify the identity of the server.
Solution:
1. Ensure that you are dialing the correct phone number
2. Verify the connection and Network settings
3. ensure that you do not have any outrage on the phone number
4. Ensure that you have correctly installed your modem and check for updated drivers.
5. Set FIFO buffers to a lower speed and ensure that you have unchecked the option ????Only connect at this speed????.

Error #779
Error Message: To dial out using this connection, you must use a smart card.
Solution:
1. Ensure that all auth is allowed in your connection settings in the Security section.
2. Verify that you have correctly set the other dialer settings.
3. Else, create the dialer again.
4. You might need to use the Smart Card Reader as initially setup by the Network Administrator.

Error #780
Error Message: An attempted function is not valid for this connection.
Solution: Ensure that the dialer, not the one set up for LAN use though, has been properly installed and has the right settings.

Error #781
Error Message: The encryption attempt failed because no valid certificate was found.
Solution: You have to get a valid certificate by registering to the website http://windows.microsoft.com/…

NOTE: The solution for the following problems is already provided in the error messages. If you are still facing problems with them, either contact your ISP or a technician to fix the problem.

Error #782
Error Message: Network Address Translation (NAT) is currently installed as a routing protocol, and must be removed before enabling Internet Connection Sharing

Error #783
Error Message: Internet Connection Sharing cannot be enabled. The LAN connection selected as the private network is either not present, or is disconnected from the network. Please ensure that the LAN adapter is connected before enabling Internet Connection Sharing.

Error #784
Error Message: You cannot dial using this connection at logon time, because it is configured to use a user name different than the one on the smart card. If you want to use it at logon time, you must configure it to use the user name on the smart card.

Error #785
Error Message: You cannot dial using this connection at logon time, because it is not configured to use a smart card. If you want to use it at logon time, you must edit the properties of this connection so that it uses a smart card.

Error #786
Error Message: The L2TP connection attempt failed because there is no valid machine certificate on your computer for security authentication.

Error #787
Error Message: The L2TP connection attempt failed because the security layer could not authenticate the remote computer.

Error #788
Error Message: The L2TP connection attempt failed because the security layer could not negotiate compatible parameters with the remote computer.

Error #789
Error Message: The L2TP connection attempt failed because the security layer encountered a processing error during initial negotiations with the remote computer.

Error #790
Error Message: The L2TP connection attempt failed because certificate validation on the remote computer failed.

Error #791
Error Message: The L2TP connection attempt failed because security policy for the connection was not found.

Error #792
Error Message: The L2TP connection attempt failed because security negotiation timed out.

Error #793
Error Message: The L2TP connection attempt failed because an error occurred while negotiating security.

Error #794
Error Message: The Framed Protocol RADIUS attribute for this user is not PPP.

Error #795
Error Message: The Tunnel Type RADIUS attribute for this user is not correct.

Error #796
Error Message: The Service Type RADIUS attribute for this user is neither Framed nor Callback Framed.

Error #797
Error Message: A connection to the remote computer could not be established because the modem was not found or was busy.

Error #798
Error Message: A certificate could not be found that can be used with this Extensible Authentication Protocol.

Error #799
Error Message: Internet Connection Sharing (ICS) cannot be enabled due to an IP address conflict on the network. ICS requires the host be configured to use 192.168.0.1. Please ensure that no other client on the network is configured to use 192.168.0.1

Error #800
Error Message: Unable to establish the VPN connection. The VPN server may be un-reachable, or security parameters may not be configured properly for this connection
Solution:
1. Check your ADSL line as it is probably not synched.
2. Verify that your Security Options are correctly set in your connection options.
3. Either your Network Card or your modem might not work properly. Contact a technician if the problem persists.

Error #995
Error Message: Operation aborted.

Error #1382
Error Message: Maximum length exceeded.

Error #1793
Error Message: Account expired.

Error #2250
Error Message: Network connection does not exist.

You can find helpful information for:

• registry
• runtime error
• application error
• outlook error
• socket error
• error number & code look up
• driver error
• dll error
• exe corrupt
• articles

and more are under developement such as:

• error number search
• file extension information and fixing
• and much more…..

I hope it will help you fixing your windows system, application errors.