Windows Defender 404 Not Found Registry Fix
You open Windows Security and see a blank page or a '404 Not Found' error. This often happens aft...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
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Cause
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Fresh repair notes
All notesFix 'Run PowerShell Script Command Not Found' Error
When you run a PowerShell script and see “The term ‘
Fix PowerShell 502 Bad Gateway Due to Proxy Configuration
If you're running PowerShell commands that make web requests—like Invoke-WebRequest ...
BitLocker Not Working: Port Already Allocated Fix
When you try to enable BitLocker and see 'port already allocated', it usually means something els...
How to Fix Windows Update Error 404 Not Found
You see error 404 when checking for updates in Windows Update. This usually means the update serv...
Fix SSH Permission Denied (publickey) on Raspberry Pi
You're trying to SSH into your Raspberry Pi and getting Permission denied (publickey)
Issue queue
SitemapTask Scheduler Sync Fails with 504 Gateway Timeout
Troubleshoot PowerShell 401 Token Expiry
Fix Token Expired in Windows Defender
How to Fix Windows Activation Network Error
Resolve Windows Search Proxy Issues
Chrome Profile Corrupted? Here's How to Fix It
Change Remote Desktop Log Path in Registry
Fix 'Windows Terminal Service Unavailable Permission Denied'
Remote Desktop Not Working Over VPN: Practical Fixes
Remote Desktop Denied Due to NLA – Troubleshooting
How to Fix OneDrive Error 0x8004de40
Windows Search Error 404 – How to Fix
Troubleshoot PowerShell 401 Token Expiry
Fix Token Expired in Windows Defender
How to Fix Windows Activation Network Error
Resolve Windows Search Proxy Issues
Chrome Profile Corrupted? Here's How to Fix It
Change Remote Desktop Log Path in Registry
Fix 'Windows Terminal Service Unavailable Permission Denied'
Remote Desktop Not Working Over VPN: Practical Fixes
Remote Desktop Denied Due to NLA – Troubleshooting
How to Fix OneDrive Error 0x8004de40
Windows Search Error 404 – How to Fix