How to Enable Windows Defender After It Failed to Start
If Windows Defender won't start, you may see an error like "This app has been turned off" or "Win...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Command Prompt Not Working After Windows Update
After a Windows update, you might click on Command Prompt and see nothing happen, or it flashes a...
Nginx 502 Bad Gateway: PHP-FPM Fix Guide
Seeing a 502 Bad Gateway error from Nginx usually means it can't reach PHP-FPM. This is common af...
Fix Windows Security Proxy 504 Gateway Timeout Configuration
When Windows Security (Windows Defender) reports a 504 Gateway Timeout error through a proxy, it ...
How to Clear SSL Certificate Cache in Windows 10
If you're seeing certificate warnings, SSL connection errors, or websites that won't load properl...
Fix Microsoft Store Connection Refused After Update
After a Windows update, some users see a 'connection refused' error when opening Microsoft Store....
Issue queue
SitemapPowerShell Backup Restore Access Denied: 0x80070005 Fix
0x80073cf9 Store Error: Simple Fixes
Resolve Error 0x80070005 in Windows Store
Windows Update Stuck Due to Activation Error Fix
Windows Activation on Mac: A Practical Checklist
Fix Remote Desktop Protocol Version Mismatch Error
How to Resolve Windows Search High CPU and Service Hangs
Windows Search Error 0x80070490: Quick Fix Guide
BitLocker GPO Override Not Applying After Reset
Teams Retention Policy Setup for Compliance and Backup
Fix Windows Defender Permission Denied Error
How to Force Delete a Locked File in Windows
0x80073cf9 Store Error: Simple Fixes
Resolve Error 0x80070005 in Windows Store
Windows Update Stuck Due to Activation Error Fix
Windows Activation on Mac: A Practical Checklist
Fix Remote Desktop Protocol Version Mismatch Error
How to Resolve Windows Search High CPU and Service Hangs
Windows Search Error 0x80070490: Quick Fix Guide
BitLocker GPO Override Not Applying After Reset
Teams Retention Policy Setup for Compliance and Backup
Fix Windows Defender Permission Denied Error
How to Force Delete a Locked File in Windows