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 notesFix VS Code Terminal Not Opening Due to Shell Path Issue
You click the terminal panel in VS Code, but nothing happens—or it flashes and disappears. This i...
Fix Chrome Installation Failure on Ubuntu with Error Code 1
When installing Google Chrome on Ubuntu, error code 1 typically appears in the terminal after a f...
Fixing Windows Security 502 Bad Gateway Errors
If you see a 502 Bad Gateway error in Windows Security (or the Windows Defender portal), it usual...
How to Fix Windows Defender Firewall Blocked App
You try to open an app, but it either won't start or can't connect to the internet. A common caus...
Windows Terminal Setup Guide with PowerShell
If you've just installed Windows Terminal and want to use it with PowerShell, you might notice it...
Issue queue
SitemapFix Windows Activation Proxy Server Not Responding
How to Lower SearchIndexer.exe RAM Usage
Fix 'Access Denied' in Outlook When Emailing
Chrome Download File in Use Error Fix
Resolve OneDrive 'Connection Refused' After Windows Update
Fix Windows Activation File Locked After Upgrade
Restore Windows Update After Malware Removal
Fix Windows Defender Error 0x800106ba: Failed to Start
Fix Windows Terminal High CPU Usage and Sync Issues
Fix 'BitLocker Command Not Found' Error in Windows 11
How to Fix Windows Activation Rate Limit Error
PowerShell Slow Output Fix Guide
How to Lower SearchIndexer.exe RAM Usage
Fix 'Access Denied' in Outlook When Emailing
Chrome Download File in Use Error Fix
Resolve OneDrive 'Connection Refused' After Windows Update
Fix Windows Activation File Locked After Upgrade
Restore Windows Update After Malware Removal
Fix Windows Defender Error 0x800106ba: Failed to Start
Fix Windows Terminal High CPU Usage and Sync Issues
Fix 'BitLocker Command Not Found' Error in Windows 11
How to Fix Windows Activation Rate Limit Error
PowerShell Slow Output Fix Guide