How to Fix Windows Defender Not Turning On
Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Activation slui.exe Not Opening
When you try to activate Windows using the Settings app or a command, slui.exe (Software Licensin...
Fix Command Prompt Crashing with SFC and DISM
When Command Prompt crashes during SFC /scannow or DISM operations, it usually means a system fil...
Fix Windows Update Service Not Running After Malware Removal
After removing malware, you may find that Windows Update no longer works. The service might be di...
How to Fix Outlook Error 0x80040600 (Corrupt Data File)
Outlook error 0x80040600 usually appears when you try to send or receive email. The error message...
How to Install an SSL Certificate in Chrome Manually
You may need to manually install an SSL certificate in Chrome when testing a local development si...
Topic paths
Quick titles
How to Set PowerShell Execution Policy Without AdminFix Windows Security Service Failed to Start Error 0x80070422Recovering a Corrupted Chrome Profile When Moving to a New PCHow to View Chrome Browser Log Files for ErrorsFix Outlook High CPU and Not RespondingHow to Get Edge Updating Again After Windows UpdateFix BitLocker Active Directory Connection ErrorResolve Chrome Profile Dependency Conflict