Fix 'Windows Security App Not Installed' on Windows 10
You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search Missing Files When Using Ubuntu Dual Boot
If you dual-boot Windows and Ubuntu, you might notice Windows Search suddenly stops finding certa...
Task Scheduler Not Working After System Restore: Fixes
After a system restore, Task Scheduler may stop working—tasks fail to run, the console shows erro...
Fix BitLocker Auto Unlock Not Working After Update
After a Windows update, you might find that BitLocker auto unlock stops working on your external ...
Fix Chrome Token Expired After Update: Step-by-Step Guide
After a Chrome update, you might see a 'token expired' error when trying to log into websites or ...
Fix Remote Desktop Service Unavailable Due to RDPWrap
If you see "Remote Desktop Service Unavailable" after installing RDPWrap, the wrapper is likely n...
Topic paths
Quick titles
Fix Windows Defender Not Starting on Windows 10/11Reduce Windows Defender Cache SizeWindows 11 Microsoft Store Stuck Loading FixWindows Defender High Memory Usage: Error 0x80070002 FixRemote Desktop Access Denied with Microsoft Account FixFix Windows Terminal Permission Denied for Ubuntu WSLDocker Desktop Won't Start – Engine Not Running FixFix Windows Activation Error 0x80070005 Access Denied