Checklists for software errors, setup, and tool workflows.

Fix Windows Defender Service Path Not Working

When Windows Defender's service path isn't working, the Security Center may show “Unknown” status...

Fix Task Scheduler Error 404 Not Found in Windows 10

You schedule a task in Windows 10 Task Scheduler, but when it runs (or you try to open it), you g...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix 'Windows Defender Firewall Has Blocked' Error

You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...

How to Fix OneDrive Sync Error 504 Gateway Timeout

OneDrive sync error 504 (Gateway Timeout) usually appears when the client cannot reach Microsoft ...

Fix 'Connection Refused' Error When Command Prompt Not Working

You type a command in Command Prompt and get "connection refused" or "No connection could be made...