Fix Windows Security Service Unavailable in Windows 11
You open Windows Security and see a red banner: 'Security service unavailable. Restart your devic...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesMicrosoft Store Not Downloading Apps: Fixes That Work
When the Microsoft Store refuses to download apps, you'll usually see a spinning circle, stuck pr...
How to Setup Windows Defender Exclusion for Network Drives
If Windows Defender scans a network drive every time you access it, you may notice slow file oper...
Fix Outlook Authentication Failed When Modern Auth Is Disabled
If you see "authentication failed" in Outlook and modern authentication is disabled, the issue us...
Fix npm install ENOENT package.json Setup Error
When you run npm install and see an ENOENT error referencing package.json
Fix Chrome SSL Certificate Error NET::ERR_CERT_COMMON_NAME_INVALID
You're browsing a site and Chrome blocks it with NET::ERR_CERT_COMMON_NAME_INVALID. ...
Issue queue
SitemapHow to Rebuild the Windows Search Index Step by Step
Teams Command Not Found? Try These Steps
Fix Task Scheduler Connection Refused Error
Microsoft Store Log File Checklist for Support
0x80070005 Search Error Quick Fix Guide
How to Fix BitLocker Permission Denied on Drive
Service Not Running in Windows Security
Fix Remote Desktop Gateway Timeout Error 504
Ubuntu Snap Setup via PowerShell
Resolve Port Already Allocated in Chrome Debugging
How to Configure Windows Defender on macOS
OneDrive Permission Denied Sync Error Fix
Teams Command Not Found? Try These Steps
Fix Task Scheduler Connection Refused Error
Microsoft Store Log File Checklist for Support
0x80070005 Search Error Quick Fix Guide
How to Fix BitLocker Permission Denied on Drive
Service Not Running in Windows Security
Fix Remote Desktop Gateway Timeout Error 504
Ubuntu Snap Setup via PowerShell
Resolve Port Already Allocated in Chrome Debugging
How to Configure Windows Defender on macOS
OneDrive Permission Denied Sync Error Fix