Fix Windows Defender 404 Not Found Error on Windows 10
You click to open Windows Defender Security Center and see a 404 page, or the Settings app shows ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Defender High Memory Usage & Error 0x80070002
You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...
Windows Search Access Denied: Complete Troubleshooting Checklist
You search for a file or email in Windows, and instead of results you get an 'Access Denied' mess...
How to Fix PowerShell Execution Policy Error
When you try to run a PowerShell script and see an error like 'cannot be loaded because running s...
Fix Windows Update Stuck at 0 Percent Loading
You start a Windows Update and the progress bar shows 0% for more than 10-15 minutes. The system ...
Fix FFmpeg Audio Out of Sync in MP4 Files
If you've encoded an MP4 with FFmpeg and noticed the audio drifts out of sync—voice lagging behin...
Issue queue
SitemapBitLocker Blank Screen After Sleep: How to Fix
Chrome Profile Sync Not Working: Practical Fixes
Resolve PowerShell 504 Gateway Timeout on Windows Server
Remote Desktop Error 0x80070020: File Locked Fix
Fix Command Prompt Network Connection Errors
Resolve curl 404 Not Found in Windows cmd
Fixing Chrome Profile Error on Windows 10
Fix PowerShell Permission Denied When Running Script
Microsoft Teams Setup Guide for Windows 11
Fix Microsoft Store Invalid Configuration with wsreset
RDP Settings Reset Failure – Troubleshooting Guide
How to Clear Cache in Chrome to Speed Up Slow Browser
Chrome Profile Sync Not Working: Practical Fixes
Resolve PowerShell 504 Gateway Timeout on Windows Server
Remote Desktop Error 0x80070020: File Locked Fix
Fix Command Prompt Network Connection Errors
Resolve curl 404 Not Found in Windows cmd
Fixing Chrome Profile Error on Windows 10
Fix PowerShell Permission Denied When Running Script
Microsoft Teams Setup Guide for Windows 11
Fix Microsoft Store Invalid Configuration with wsreset
RDP Settings Reset Failure – Troubleshooting Guide
How to Clear Cache in Chrome to Speed Up Slow Browser