Fix Windows Update Stuck on Checking for Updates on Mac
If you're running Windows on a Mac via Boot Camp or a virtual machine (Parallels, VMware Fusion, ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security Error 0x80073b01
You try to install or update an app from the Microsoft Store, and Windows Security throws error 0...
How to Fix Windows Activation Path Not Found
If you see 'Windows activation path not found' when trying to activate Windows, it usually means ...
How to Fix Outlook Login Loop Authentication Failed Error
If you're stuck in an Outlook login loop with an "authentication failed" message, you're not alon...
How to Fix Windows Search Proxy Configuration Tool Issues
If Windows Search stops returning results or behaves oddly after you configure a proxy, the issue...
Fix Windows Defender Service Not Starting Error
If you see an error that Windows Defender won't start—or the service stops immediately—it's usual...
Topic paths
Quick titles
How to Stop Microsoft Store from Using High CPUTroubleshoot Windows Security Sync Error 502Outlook Proxy Error Checklist: Fix Connection IssuesHow to Resolve Outlook Module Not FoundWindows Security Network Error: Step-by-Step ChecklistConfigure PowerShell to Start Automatically at BootSolve 'Activation Service Unavailable' Error on WindowsHow to Fix Outlook SSL Certificate Permission Denied