Windows Security App Not Opening After Update: Fixes
After a Windows update, the Security app may refuse to open—clicking the icon does nothing, or it...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix BitLocker Version Mismatch After a Windows Update
After a Windows update, you might see a BitLocker error like "The version of BitLocker on this dr...
Fix Windows Update Cleanup Stuck Error 0x80070002
When running Disk Cleanup or the Windows Update troubleshooter, you might see error 0x80070002 an...
Fix PowerShell Service Unavailable After Update
After a Windows update, you might see errors like "Service Unavailable" when trying to launch Pow...
How to Find Command Prompt Output Log File Location for Troubleshooting
When troubleshooting command-line issues, you often need to review the output from Command Prompt...
Fix Windows Security Loading Issue with Built-In Repair Tools
If Windows Security (formerly Windows Defender) won't open or gets stuck on a loading screen, the...