How to Fix Windows Update Error 0x80070643
You try to install the latest Windows updates but get error 0x80070643. This usually means the up...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Defender Setup After a Fresh Install
After a fresh Windows install, Windows Defender (now called Microsoft Defender Antivirus) is typi...
How to Fix Microsoft Store Not Opening on Mac
If you're trying to open the Microsoft Store on your Mac and nothing happens—or you see a blank p...
Fix Command Prompt Sync Issues After Windows Update
After a Windows Update, you might notice that Command Prompt no longer syncs settings, such as wi...
Fix OneDrive Authentication Failed Due to Expired Token
You're working in OneDrive when suddenly you see an error: "Authentication failed due to expired ...
Fix Windows Search Indexing Permission Denied Error
When Windows Search indexing stops working and shows a "permission denied" error, it usually mean...
Topic paths
Quick titles
Resolve Windows Security 504 Gateway Timeout in Windows UpdatePowerShell Connection Refused Firewall TroubleshootingPowerShell Could Not Establish Trust Relationship FixMac RDP Keyboard Issues: Troubleshooting GuideSetting Up PowerShell Transcript Logging: A Practical GuideFix Windows Search After Disabling CortanaResolve Chrome Access Violation Startup ErrorResolve Command Prompt Permission Errors Easily