Windows Software Error: An Unauthorized Change Was Made To Windows

Asked By 0 points N/A Posted on -


I got the Windows Software protection error saying

“Windows Software Protection An unauthorized change was made to Windows”. I can’t understand this error and don’t know how to solve.

I need your suggestion to resolve this error as soon as possible. Provide solution.


Windows Software Protection

An unauthorized change was made to Windows

You will no longer receive notifications, including those about your license or activation. Use the link below to find out how to fix your systm.

Error: 0*C004D401


The security processor reported a system file mismatch error.

Answered By 0 points N/A #174780

Hello Lawrence

I have done some research regarding your problem. And it seems that it is an Antivirus/OS Update problem. First of all, uninstall your antivirus. It may be a compatibility issue. Please download the proper version of the antivirus. Keep in mind what Windows are you using (32/64 bit).

Before installing the antivirus, please use Windows Update and install all the updates of a new Service Pack from the standalone installation.

Reinstall the antivirus after all this. The problem is gone now.

I hope you will find this information useful.


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