Fix Windows Defender Real-Time Protection Authentication Failed
When you try to turn on Windows Defender real-time protection, you might see an error saying some...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Task Scheduler Rate Limit Exceeded Error
You may see the "rate limit exceeded" error in Windows Task Scheduler when a task runs too freque...
How to Allow an App Through Windows Defender Firewall
If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....
Fix Windows Update Error 0x80070002
When Windows Update fails with error 0x80070002, it usually means the update installer can't find...
Chrome Profile Permission Denied on Windows 10: Fixes
You try to open Chrome and get a message like 'Your profile could not be opened correctly' or 'Pe...
Fix Windows Defender Login Loop in Windows 11
Some Windows 11 users report getting stuck in a login loop when opening Windows Defender. The app...
Topic paths
Quick titles
Preparing PowerShell for Office 365 Migration Step by StepChrome Authentication Failed on Mac: How to FixFix Task Scheduler Version Mismatch Permission DeniedChrome 502 Bad Gateway Error: Causes and FixesPowerShell Assembly Load Error FixGit Non-Fast-Forward Error Fix GuideFix PowerShell Update Error 0x800f0982Microsoft Teams Screen Sharing Troubleshooting Guide