Fix High CPU Usage by MsMpEng.exe (Windows Defender)
If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Change PowerShell Execution Policy to Unrestricted
If you see errors like “.ps1 cannot be loaded because running scripts is disabled on this sys...
Fix Remote Desktop Blank or Black Screen on Windows 10
When you connect to a Windows 10 machine via Remote Desktop and see only a black or blank screen,...
PowerShell Rate Limit Error Not Working: Fixes for Throttling Issues
You've configured a rate limit in PowerShell, but the error doesn't fire when you exceed the thre...
How to Fix Microsoft Store 502 Bad Gateway Error
When you open Microsoft Store and see a 502 Bad Gateway error, it usually means the store can't c...
Fix Redis Connection Refused on Localhost Setup
You try to connect to Redis from a local application and get "connection refused" or "ECONNREFUSE...
Issue queue
SitemapHow to Fix Windows Search DNS Configuration Issues
BitLocker Recovery: Command Not Found Troubleshooting
Outlook Sync Error: Windows Search Authentication Fix
Fix Windows Activation Error: DNS Name Does Not Exist
How to Fix Windows Search Error 0x80090016
Chrome 502 Bad Gateway Extension Conflict Fix
Offline Chrome Installer Setup Steps for Windows 10
How to Fix Wine Windows Security Error on Ubuntu
How to Fix a File Locked by Windows Security in Windows 10
Chrome Profile Troubleshooting Checklist
Resolve Windows Activation Blocked by Corrupted System Files
Fix Windows Activation Version Mismatch Using slmgr
BitLocker Recovery: Command Not Found Troubleshooting
Outlook Sync Error: Windows Search Authentication Fix
Fix Windows Activation Error: DNS Name Does Not Exist
How to Fix Windows Search Error 0x80090016
Chrome 502 Bad Gateway Extension Conflict Fix
Offline Chrome Installer Setup Steps for Windows 10
How to Fix Wine Windows Security Error on Ubuntu
How to Fix a File Locked by Windows Security in Windows 10
Chrome Profile Troubleshooting Checklist
Resolve Windows Activation Blocked by Corrupted System Files
Fix Windows Activation Version Mismatch Using slmgr