Ubuntu Windows Security Compatibility Troubleshooting Guide
If you run both Ubuntu and Windows on the same machine—either in a dual-boot configuration or thr...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
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All notesFix Windows Defender Connection Refused Error 0x80070005
When you open Windows Defender (Microsoft Defender Antivirus) and see a connection refused error ...
Fix Windows Update DNS Resolution Problems
When Windows Update fails with errors like 0x80072EFD or 0x8024402C, DNS resolution problems are ...
Fix Microsoft Teams Connection Refused After Update
After a Microsoft Teams update, you might see a "connection refused" error when trying to sign in...
Checklist: Troubleshoot Remote Desktop Memory Issues
If your Remote Desktop connection is slow, crashes, or gives an out-of-memory error, the issue is...
Fix Windows Security Invalid Configuration Not Working
When Windows Security shows an "invalid configuration" error and stops working, it usually means ...
Issue queue
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