How to Enable Windows Defender After It Failed to Start
If Windows Defender won't start, you may see an error like "This app has been turned off" or "Win...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix PostgreSQL Password Authentication Failed in pg_hba.conf
When you see psql: FATAL: password authentication failed for user "username", it usu...
Fix Chrome Profile Blank Screen with No Error Message
You open Chrome, see a blank window—no error, no crash dialog, just nothing. The browser process ...
Fix Windows Security Module Service Not Running
You open Windows Security and see a message that the service isn't running. The shield icon in th...
How to Fix Windows Defender Connection Refused Error
If you see a 'connection refused' message when opening Windows Defender or updating virus definit...
Chrome Remote Desktop Not Working After Update: Fix Guide
After a Chrome update, the Remote Desktop extension may stop connecting, show a black screen, or ...
Issue queue
SitemapResolve Error 0x8024402c in Windows Update
Step-by-Step Teams Migration Checklist for IT Admins
MySQL Workbench Connection Troubleshooting Guide
Using replace Directive to Bypass Go Proxy
Fix Windows Update 404 Not Found Error When Antivirus Interferes
Windows Update Missing After Update: Quick Fixes
Gmail Not Syncing in Outlook? Here’s Help
Microsoft Teams Audio Not Working: Step-by-Step Fixes
High Chrome CPU Usage: Malware Scan Steps
Fix Windows Defender Service Not Starting (Error 404)
Fix Windows Search Not Indexing on Mac in Boot Camp or VM
Outlook Search Broken? Here's How to Fix It
Step-by-Step Teams Migration Checklist for IT Admins
MySQL Workbench Connection Troubleshooting Guide
Using replace Directive to Bypass Go Proxy
Fix Windows Update 404 Not Found Error When Antivirus Interferes
Windows Update Missing After Update: Quick Fixes
Gmail Not Syncing in Outlook? Here’s Help
Microsoft Teams Audio Not Working: Step-by-Step Fixes
High Chrome CPU Usage: Malware Scan Steps
Fix Windows Defender Service Not Starting (Error 404)
Fix Windows Search Not Indexing on Mac in Boot Camp or VM
Outlook Search Broken? Here's How to Fix It