How to Fix Windows Security Not Opening After Update
After a Windows update, you might click the Windows Security icon and nothing happens, or the app...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix OneDrive Connection Refused Due to Firewall Settings
You open OneDrive and see "Connection refused" or "Cannot connect" errors. Often this is because ...
Fix Windows Defender Virus Definition Update Errors
When Windows Defender fails to update virus definitions, you might see error codes like 0x8007000...
Fix Windows Activation Version Mismatch After Hardware Change
After swapping out a motherboard or other major hardware, you might see an error that Windows act...
Fix Ubuntu Remote Desktop Permission Denied Error
When you try to connect to an Ubuntu machine via Remote Desktop (RDP or VNC) and get a 'permissio...
How to Disable Chrome Hardware Acceleration for High CPU Usage
If Chrome is making your computer fans spin up or slowing everything down, hardware acceleration ...
Issue queue
SitemapTroubleshooting Defender Authentication and Permission Errors
Fix Windows Defender High CPU Usage
Fix Windows Activation Failure Due to Network Issues
Windows Search 502 Bad Gateway Reset Steps
Fix OneDrive Sync Error 0x8007016a During Migration
Slow dir Command? Here's How to Speed It Up
PowerShell Port Already Allocated Error Fix
Fix Teams Dependency Conflict Sync Errors
Windows Security Cache Clearing Guide
Chrome Rate Limit Error Fix Guide
Fix 'Command Not Found' for Microsoft Teams
Enable Script Execution in PowerShell on Windows 10
Fix Windows Defender High CPU Usage
Fix Windows Activation Failure Due to Network Issues
Windows Search 502 Bad Gateway Reset Steps
Fix OneDrive Sync Error 0x8007016a During Migration
Slow dir Command? Here's How to Speed It Up
PowerShell Port Already Allocated Error Fix
Fix Teams Dependency Conflict Sync Errors
Windows Security Cache Clearing Guide
Chrome Rate Limit Error Fix Guide
Fix 'Command Not Found' for Microsoft Teams
Enable Script Execution in PowerShell on Windows 10