The application was unable to start correctly (0xc00007b)

Windows applications depend on a number of operations to get executed. And at the same time, there are various parameters that need to be fulfilled for a program to get executed. An error which can appear when running them is – The application was unable to start correctly (0xc00007b). There are many reasons for this error to occur, but the main reason could be an x86 application not being compatible with the x64 based operating system.

The application was unable to start correctly (0xc00007b)

The application was unable to start correctly (0xc00007b)

We will be taking a look a the following fixes to get rid of the error code 0xc00007b on a computer running Windows 10-

  1. Use Check Disk Utility.
  2. Reinstall Microsoft .NET Framework.
  3. Reinstall your Application.
  4. Reinstall DirectX.
  5. Replace corrupted DLL files.

1] Use Check Disk Utility

Run Command Prompt as Administrator and execute the following command:

chkdsk <Partition Letter>: /f

It will either start checking for errors and fixing them. Else it will show up a message saying – Chkdsk cannot run because the volume is in use by another process. Would you like the schedule this volume to be checked the next time the system restarts? (Y/N).

Hit Y for scheduling the Disk Check the next time the system restarts.

2] Re-enable Microsoft .NET Framework

You have to disable and reenable the latest version of .NET Framework on your computer and check if that fixes your issues.

3] Reinstall your application

Sometimes, there might be some supporting module for your application under the hood that might have messed up your application. To fix that you can try to uninstall and then reinstall your application and then check if that has fixed your issues.

4] Reinstall DirectX

Another basic fix for the issue mentioned above is to update or reinstall DirectX. By updating or reinstalling DirectX, you can just replace the corrupt or incompatible components of DirectX from your computer.

Also, in order to fix the issue, you can also try to run the DirectX Diagnostic Tool.

5] Replace the corrupted DLLs

Sometimes, corrupted DLL files being faulty can also cause issues in applications while they are executed. You need to fix these missing or corrupted DLL files.

  • mfc100.dll
  • mfc100u.dll
  • msvcr100.dll
  • msvcp100.dll
  • msvcr100_clr04000.dll

The best way to do this would be to run System File Checker or Run DISM.

Hope this fixes your issue!

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Posted by on , in Category Windows with Tags
Ayush has been a Windows enthusiast since the day he got his first PC with Windows 98SE. He is an active Windows Insider since Day 1 and is now a Windows Insider MVP. He has been testing pre-release services on his Windows 10 PC, Lumia, and Android devices.

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