Fix Windows Update Error 0x80070020: Port Already Allocated
When you see error 0x80070020 during a Windows Update, it usually means a program is already usin...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Task Scheduler Authentication Failed After Password Reset
You changed your Windows password and now scheduled tasks fail with “authentication failed” error...
Fix OneDrive SSL Certificate Error on Windows 10
If you see an SSL certificate error when using OneDrive on Windows 10, it usually means OneDrive ...
Fix Windows Security 504 Gateway Timeout During Windows Update
If you see a "504 Gateway Timeout" error in Windows Security while trying to run Windows Update, ...
BitLocker Recovery Key Not Working After Stuck Loading
You're stuck at the BitLocker recovery screen after a system hang or forced shutdown. You enter t...
Fix Missing Windows Security App Icon or Shortcut
You click the Start menu or search for Windows Security, but the app icon is gone. The shortcut m...
Issue queue
SitemapHow to Fix Windows Security Blank Screen Issue
MongoDB Compass Connection Refused Due to Firewall: Fixes
How to Fix Microsoft Store Error 0x80070005
Troubleshooting Chrome Profile Setup Errors
Windows Security Auto Start Troubleshooting
How to Resolve Windows Update 502 Bad Gateway
Access BitLocker Encrypted Drive in Ubuntu
Windows Update Caused PowerShell Login Loop – Fix It
Task Scheduler High CPU: Is It Malware? Troubleshooting Guide
Fix Chrome DNS_PROBE_FINISHED_NXDOMAIN After Update
Windows 10 Update Error: Invalid Configuration Fix Guide
Windows Search Service Won't Start: Fix It
MongoDB Compass Connection Refused Due to Firewall: Fixes
How to Fix Microsoft Store Error 0x80070005
Troubleshooting Chrome Profile Setup Errors
Windows Security Auto Start Troubleshooting
How to Resolve Windows Update 502 Bad Gateway
Access BitLocker Encrypted Drive in Ubuntu
Windows Update Caused PowerShell Login Loop – Fix It
Task Scheduler High CPU: Is It Malware? Troubleshooting Guide
Fix Chrome DNS_PROBE_FINISHED_NXDOMAIN After Update
Windows 10 Update Error: Invalid Configuration Fix Guide
Windows Search Service Won't Start: Fix It