Windows Security Troubleshooting Guide
Windows Security (formerly Windows Defender) usually runs quietly in the background, but sometime...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Windows Defender Real-Time Protection Turned Off
You open Windows Security and see that real-time protection is off, even though you didn't change...
Fix BitLocker Backup Failed Error 0x80070057
When you see "BitLocker backup failed" with error code 0x80070057 in Event Viewer or the BitLocke...
How to Fix Microsoft Store Not Connecting to Internet
You open Microsoft Store and see an error message like “Check your connection” or the store fails...
Fix pip SSL Certificate Verify Failed Behind Proxy
When running pip install behind a corporate proxy, you may see an error like S...
Fix PuTTY Network Error: Connection Refused on Ubuntu
When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...
Issue queue
SitemapMicrosoft Store Path Not Found Error Windows 11
How to Fix Windows Terminal Profiles JSON Error
Microsoft Store Error 0x80072efd: Quick Fixes for Windows 10
Fix Windows Defender Port Already Allocated Error
Fixing Windows Security Dependency Conflicts
Outlook Proxy Server Setup Guide: Step-by-Step
Fix Chrome Profile 404 Not Found on Mac
Resolve Port 80 Error in Windows Search Indexing
Fix 504 Gateway Timeout in Windows Security After Update
How to Fix Microsoft Teams 404 Error with a Clean Reinstall
Find Windows Defender Logs Using Event Viewer
Resolve Frozen Windows Update Cleanup Using Command Prompt
How to Fix Windows Terminal Profiles JSON Error
Microsoft Store Error 0x80072efd: Quick Fixes for Windows 10
Fix Windows Defender Port Already Allocated Error
Fixing Windows Security Dependency Conflicts
Outlook Proxy Server Setup Guide: Step-by-Step
Fix Chrome Profile 404 Not Found on Mac
Resolve Port 80 Error in Windows Search Indexing
Fix 504 Gateway Timeout in Windows Security After Update
How to Fix Microsoft Teams 404 Error with a Clean Reinstall
Find Windows Defender Logs Using Event Viewer
Resolve Frozen Windows Update Cleanup Using Command Prompt