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extensionsystem4.dll, File description: ExtensionSystem4.dll

Errors related to extensionsystem4.dll can arise for a few different different reasons. For instance, a faulty application, extensionsystem4.dll has been deleted or misplaced, corrupted by malicious software present on your PC or a damaged Windows registry.

The most commonly occurring error messages are:

  • The program can't start because extensionsystem4.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • There was a problem starting extensionsystem4.dll. The specified module could not be found.
  • Error loading extensionsystem4.dll. The specified module could not be found.
  • The code execution cannot proceed because extensionsystem4.dll was not found. Reinstalling the program may fix this problem.
  • extensionsystem4.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vender for support.

In the vast majority of cases, the solution is to properly reinstall extensionsystem4.dll on your PC, to the Windows system folder. Alternatively, some programs, notably PC games, require that the DLL file is placed in the game/application installation folder.

For detailed installation instructions, see our FAQ.




File size





0.22 MB

U.S. English



MD5: 0e4164d6e300582c37e3f982c6d62d10
SHA-1: b6218ff62b728f4fcabe29543b65a84feb102eba
Zip file size: 87.2 kb

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