w3isapi.dll – w3isapi.dll Error Fix, What Is w3isapi.dll? Speed Up PC Now!

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w3isapi.dll - w3isapi.dll Error – Information of DLL files

File Name: w3isapi.dll
File Information: IIS ISAPI Handler
Vendor Name: Microsoft Corporation
Md5: 9171de6a5886a3a99b515f5606f1ebee
Operating System: Windows 7, Vista, XP, 2000, ME, 98, 95
File Type: The filename w3isapi.dll refers to many versions of a dynamic link library.
Tips: Scan Your System for Registry Errors

What Is w3isapi.dll?

w3isapi.dll is a dynamic link library file, which contain certain functions in windows XP, vista and windows 7. When a program or other dll file runs, it may call upon w3isapi.dll file to realize specific features. Most programs will share w3isapi.dll file with one another. In other words, if there is something wrong with the dll file, several programs will be affected and even fail to run. Don’t be panic if your w3isapi.dll has broken or missed, fix it right away.


Symptom of w3isapi.dll error

w3isapi.dll error would present message like this:

  • w3isapi.dll Not Found
  • This application failed to start because w3isapi.dll was not found. Re-installing the application may fix this problem
  • Cannot find [PATH]\ w3isapi.dll
  • The file w3isapi.dll is missing
  • Cannot start [APPLICATION]. A required component is missing: w3isapi.dll. Please install [APPLICATION] again

You might meet these messages when you login Window, shut off Windows, processing or installing a certain applications.

Usually the error message is shown as
"This application failed to start because w3isapi.dll was not found. Re-installing the application may fix the problem"
"The file w3isapi.dll is missing"

The program can't start because w3isapi.dll is missing from your computer.Try reinstalling the program to fix this problem

w3isapi.dll - Unable To Locate Component

This application has failed to start because w3isapi.dll was not found. Re-ingtalling the application may fix this problem.

How to register w3isapi.dll manually?

1. Click on Start and then click on Run.

2. Than you are required to input specific information including the path and the file name in the Run field a command that tells your computer to register the DLL file. Keep it in mind that the path is the actually location or directory of where the file is located. Filename is obviously the name of the DLL file which you are going to register.

regsvr32 "C:\files\w3isapi.dll"

3. When you finish that correctly, press Enter.

4. You will receive a confirmation in the form of a pop up box telling you have newly registered

How to Avoid w3isapi.dll Error?

w3isapi.dll is a non-system process so that you can terminate it if necessary because they are not involved in running your operating system. If the w3isapi.dll error message appeared on your PC, you can try to uninstall the related software and restart your system. However, uninstalling applications will leave invalid and corrupted registry keys which would slow down your PC. We highly recommend you run a free scan for potential registry errors.

If you never fix w3isapi.dll error and other registry errors

  • Registry error information pops up. Since a mess of registry would be caused by Dll Error, so system would be unable to access to the correct data and could not run as normal.
  • Blue screen, system freezes or crashes. It’s a typical phenomenon when DLL error or registry error occurs.
  • High CPU usage. System is trying its effort to access to the right dll files but fail to perform.
  • Windows start up or shutdown abnormally.

Warning! It is dangerous for your PC to fix w3isapi.dll error and other registry errors manually if you are not a PC expert. The safest way to stop these errors is to run a scan and fix them automatically

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