Fix Windows Defender Service Authentication Failed Error
You might see the error 'Windows Defender service authentication failed' when trying to open Wind...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Microsoft Store Rate Limit Exceeded Error
When you see 'Rate limit exceeded' in the Microsoft Store, it usually means you've made too many ...
Fix PowerShell Backup Restore Error 0x80070005
When running a PowerShell script to restore a backup, you may encounter error code 0x80070005. Th...
How Clearing Microsoft Store Cache Can Speed Up Your PC
If your Microsoft Store is running slowly, apps won't download, or you're seeing error codes, a c...
How to Fix Windows Defender Stuck Loading in Safe Mode
If you've booted into Safe Mode and Windows Defender won't start, shows a loading spinner indefin...
How to Fix Outlook Setup Error 'Cannot Start Microsoft Outlook'
You open Outlook and see: "Cannot start Microsoft Outlook. Cannot open the Outlook window."