How to Enable Windows Defender in Windows 10
If you're seeing a warning that Windows Defender is turned off, or you can't access its settings,...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Outlook File Locked by Outlook.exe Not Responding
If you see an error that your Outlook data file (.pst or .ost) is locked because Outlook.exe is n...
Fix 'Windows Security Application Not Found' on Ubuntu
When running Windows applications through Wine or PlayOnLinux on Ubuntu, you might see an error l...
How to Fix Brave Browser Sync Not Working
Brave Sync lets you keep bookmarks, passwords, and settings across devices. When it stops working...
How to Fix Outlook Proxy Authentication Failed Error
You try to send or receive email in Outlook and see an error: "Proxy authentication failed"
Fix Windows Defender Permission Denied on Scan
If you see a 'Permission Denied' message when running a Windows Defender scan, it usually means t...
Topic paths
Quick titles
How to Fix Windows Store Download Stuck IssuesHow to Run Command Prompt as Administrator on MacHow to Fix File Locked by System Process in Windows 10 SearchFix Command Prompt Memory Leak: Step-by-Step GuideFix Windows Activation 502 Bad Gateway via Command PromptFix Python Module Not Found Permission Denied ErrorPowerShell Clipboard Access Denied – How to FixHow to Set Up BitLocker Network Unlock