How to Set Up Windows Security Proxy Settings
If you've noticed that Windows Security isn't updating or connecting to the cloud for threat defi...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Defender Setup Checklist for New PC
When you set up a new PC, Windows Defender (now called Microsoft Defender Antivirus) is already a...
How to Fix Command Prompt Not Opening in Windows
When Command Prompt (cmd.exe) refuses to open—either by clicking, typing 'cmd' in Run, or via the...
How to Fix PowerShell Version Mismatch Error
If you see an error like ...is not compatible with this version of PowerShell or
Fix 'npm command not found' on Linux
When you type npm in the terminal and get command not found, it usually...
How to Fix Windows Search Not Working in Windows 10
When Windows Search stops returning results or the search box does nothing, it usually points to ...
Topic paths
Quick titles
How to Fix Windows Search 504 Gateway Timeout ErrorHow to Fix DNS Errors in Scheduled TasksOneDrive Sync Paused Windows 11 TroubleshootingTroubleshoot Windows Security Stopped Manually ErrorRemote Desktop Black Screen After Connection: FixescURL SSL Certificate Problem: Fix for Command PromptTroubleshooting Teams 502 Network ErrorsChrome Infinite Login Loop After Password Change Fix