Solution to pthreadgc2.dll Errors

Pthreadgc2.dll is an open source library for Windows. In this article, we will take a look at common error messages pertaining to this DLL and the steps you need to perform to fix them.

Error Messages

You may come across any of the error messages below when you start/shut down your computer, run an application, or at other random times:

“This application failed to start because pthreadgc2.dll was not found. Reinstalling the application may fix this problem."

"The file pthreadgc2.dll is missing."

"Pthreadgc2.dll Not Found"

"Cannot start [APPLICATION]. A required component is missing: pthreadgc2.dll. Please install [APPLICATION] again."


Generally, a DLL error occurs when any of the following conditions hold true:

  • The required DLL file is missing.
  • The required DLL file is outdated.
  • The required DLL file is corrupt.


To fix the aforementioned error messages, perform the following steps in the sequence they appear below:

  • Uninstall and reinstall the software

    In a majority of cases, DLL errors appear when you try to start a particular software program. This occurs when the software is either unable to locate the required DLL file or read the DLL file. You can easily fix such errors by uninstalling and reinstalling the software with which you are receiving the DLL error:

    1. Click Start>Control Panel>Add or Remove Programs.
    2. Navigate through the currently installed programs list and select the software with which you are getting the error.
    3. Click Uninstall/Remove.
    4. Restart your computer.
    5. Install the latest version of the software that you uninstalled either from the internet or the installation CD/DVD.
  • Replace the DLL file

    In case the error persists, chances are that the DLL file present on your computer is damaged or corrupt. To resolve the issue, download pthreadgc2.dll from a reliable online DLL directory. Next, save the file in the C:\Windows\System32 folder and register the DLL using the following steps.

    1. Click Start>Run.
    2. In the Open box, type regsvr32 pthreadgc2.dll and then press Enter.
  • Run a malware scan

    DLL errors often occur due to malware infections, so if the above two steps fail to fix the issue, we recommend that you run a thorough malware scan on your computer by using a reliable antimalware tool.