Fix Visual Studio Installer Error 0x80070643
You're trying to install or update Visual Studio, but the installer fails with error code 0x80070...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listUFW Port Forwarding Configuration Example
You need to forward incoming connections on one port to a different internal port or host, but yo...
Fix Windows Update Black Screen After Restart
After installing a Windows update and restarting, a black screen (with or without a cursor) can b...
Fix Windows Search High CPU Usage (SearchIndexer.exe)
If you notice your PC slowing down and Task Manager shows SearchIndexer.exe using 50% or more CPU...
Fix Windows Activation Authentication Failed Error: License Not Genuine
When you see a message like “Windows activation authentication failed” or “license not genuine,” ...
How to Fix Windows Security Invalid Configuration Error
If you see a message that says "Invalid configuration" when opening Windows Security, the app usu...
Topic paths
Quick titles
Microsoft Store CPU Spike Troubleshooting GuideWindows Terminal Settings Reset After Update FixHow to Change DNS Settings for Windows Activation IssuesHow to Stop Antimalware Service Executable High CPUFix Stuck Windows Store Downloads: Step-by-Step GuideWindows Defender Path Not Found Error FixSet Windows Defender Log File Size LimitResolve Windows Terminal Update Error 0x80070002