Following recent update for windows 11 error code 0x000012f occurs with fwpucInt.dll message

Question

I installed updates to Windows 11 on my PC 10/08/2023. Following the required restart, the error message 0x000012f is preceded by a message that fwpucInt.dll ' is either not designed not to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator....'

The START menu is not linked to the app and has very limited functionality via the right-click list. I have not been able to reverse the update or recover a previous version. The PC appears to have an internet connection but will not connect to any server. Mail disabled, unable to connect to mail servers. Unable to delete the DLL file.

PC runs some software but not always optimally and always with repetition of the above message.

Peter

Answer 1

Hello

The error message 0x000012f that you’re seeing is a “Bad Image” error, which typically means that a program’s executable or one of its supporting modules is corrupted.

One potential solution to this issue is to re-register the DLL file specified in the error message, in this case fwpucInt.dll, using the Microsoft Register Server (Regsvr32) command-line tool. Here’s how you can do this:

Press the Windows key + R to open the Run dialog box.

Type cmd and press Ctrl + Shift + Enter to open an elevated Command Prompt.

In the Command Prompt, type regsvr32 fwpucInt.dll and press Enter.

If re-registering the DLL file doesn’t resolve the issue, you might also try running a System File Checker (SFC) scan to check for and repair any corrupted system files. Here’s how you can do this:

Press the Windows key + R to open the Run dialog box.

Type cmd and press Ctrl + Shift + Enter to open an elevated Command Prompt.

In the Command Prompt, type sfc /scannow and press Enter.

Answer 2

Try open start and search for feedback and open the Feedback Hub app and report this issue.

Open the command prompt as administrator and then type the following command:

sfc /scannow

Press enter and let it runs, see what the result is.