Fix Windows Defender Missing After Update
After a Windows update, some users find that Windows Defender is missing from the system tray, Se...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Unlock an SQLite Database from the Command Line
If you see an error like database is locked when trying to access an SQLite database...
How to Investigate PowerShell High Memory Usage in Task Manager
If you open Task Manager and see PowerShell consuming hundreds of megabytes or even gigabytes of ...
Fixing 'Access Denied' Errors When Running PowerShell Scripts
If you see an 'Access Denied' error when trying to run a PowerShell script, it's usually not a pe...
Fix Windows Search Authentication Failed Configuration Error
You may see a notification that Windows Search indexing couldn't start due to an authentication f...
Chrome Profile Configuration for Multiple Users Guide
When multiple people share a computer, or you need to keep work and personal browsing separate, C...
Topic paths
Quick titles
How to Resolve 502 Bad Gateway in Chrome ProfilesFind Chrome Profile Log File Location on MacHow to Resolve Windows Update Error 0x80073712Windows Defender Permission Denied Error GuideHow to Fix Windows Search Endless Sign‑inFix OneDrive Sync Command Permission ErrorsBitLocker Cache Not Clearing: Troubleshooting StepsSolving Remote Desktop Access Denied Errors Post-Update