icacls C:\Windows\System32\wuapi.dll /grant administrators:F. Read: How to fix or repair corrupted or damaged Registry. How to replace a corrupted Windows system file with a good copy. Now, you ...

The System File Checker or sfc.exe is a utility in Microsoft Windows located in C:\Windows\System32 folder. This utility allows users to scan for and restore corrupt Windows system files.

Windows is full of files whose purpose is baffling to you. Some of these files take up an enormous amount of space. But only a few can be deleted safely. We can help.

Windows' system files were flagged as malicious, and Facebook was marked as a phishing site. Written by Zack Whittaker, Contributor April 26, 2017 at 10:44 a.m. PT.