Windows Defender Troubleshooting Checklist
Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'PowerShell Is Not Recognized' Error on Windows
You type a PowerShell command in Command Prompt or a script and see: 'powershell' is not re...
PowerShell Not Found After Installation: Fixes That Work
You installed PowerShell — maybe the latest version — but when you type powershell o...
How to Fix Chrome 404 Not Found Error When Loading a Page
You’re browsing in Chrome, and instead of a page, you see 404 Not Found. This us...
Fix 'Command Not Found' Error in Windows 10 Command Prompt
You type a command in Command Prompt and get 'xxx' is not recognized as an internal or exte...
Practical VSCode Debugger Setup for Node.js
You've written a Node.js app in VSCode, but when you hit F5, nothing happens or the debugger won'...
Topic paths
Quick titles
Network Error 0x800704cf in Windows Security FixPowerShell Network Path Access Denied TroubleshootingHow to Open Windows Defender on Windows 11 When It FailsWindows Search Setup and Troubleshooting ChecklistHow to Fix Windows Update Blocked by ProxyOutlook 502 Bad Gateway Error Proxy FixTroubleshooting Docker Desktop WSL 2 File Sync IssuesHow to Force OneDrive Sync via Command Line