Fix Windows Defender Service Not Running
If you see "Windows Defender service not running" or a red warning in Security Center, the underl...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search SSL Certificate Error: Step-by-Step Guide
You search for a file or setting in Windows, but nothing appears—or you see an error about an SSL...
Fix Chrome Profile Access Denied After Update
After a Chrome update, you might see an error like "Your profile could not be opened correctly" o...
Fix 'Command Not Found' When Setting Up Windows Update via Command Line
When you try to run wuauclt, UsoClient, or Install-Module PSWindo...
DNS Error When Updating Windows 10: Quick Fixes
When updating Windows 10, you might see an error like "There were some problems installing update...
SSH Permission Denied (Publickey) on EC2: Setup Fixes
If you're seeing "Permission denied (publickey)" when trying to SSH into an AWS EC2 instance, the...
Topic paths
Quick titles
Windows Defender File Locked: Quick Troubleshooting ChecklistTeams Stuck on Loading After Cache Clear: FixWindows License Expired But Still Active – Troubleshooting GuideFix Microsoft Store Error 502 Bad Gateway After UpdateFix Chrome SSL Certificate Errors in Windows 10Setup Chrome Backup for Bookmarks and PasswordsMicrosoft Teams Setup Guide for New UsersTroubleshoot Windows Defender Connectivity Issues