Windows Security Opens Blank or Will Not Start: A Safe Repair Guide
Restore a blank or unresponsive Windows Security app with safe checks for services, app components, system files and third-party antivirus conflicts.
System File Checker
How to Fix Windows Update Error 0x80070002 on Windows 11
Windows Update error 0x80070002 has a wonderfully vague message: the update failed, and Windows will try again later. Trying again