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protocolfilters.dll, File description: ProtocolFilters NetfiltersSDK

Errors related to protocolfilters.dll can arise for a few different different reasons. For instance, a faulty application, protocolfilters.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 protocolfilters.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • There was a problem starting protocolfilters.dll. The specified module could not be found.
  • Error loading protocolfilters.dll. The specified module could not be found.
  • The code execution cannot proceed because protocolfilters.dll was not found. Reinstalling the program may fix this problem.
  • protocolfilters.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 protocolfilters.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.

Additional details about protocolfilters.dll

ProtocolFilters.dll is used by, for example:

WinPatrol WinPrivacy




File size





1.17 MB



MD5: fbe1dae71f5461c46a2da9007b4f9231
SHA-1: c2b1c4caae149b7edf5071009d57602b1cb78695
Zip file size: 0.59 MB

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