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 Fix Windows Permission Denied Error Code 5
You try to access a file, run a command, or install a program, and Windows stops you with "Error ...
Fix Gradle Build Failed Java Heap Space Error
You're running a Gradle build and it fails with java.lang.OutOfMemoryError: Java heap space...
Step-by-Step Windows Activation Configuration Guide
If Windows shows an activation warning or you are setting up a new PC, follow these steps to conf...
Fix ERR_CONNECTION_RESET on Chrome Mobile
When browsing on your phone, Chrome may suddenly show "ERR_CONNECTION_RESET" and refuse to load a...
Fix Windows Defender 502 Bad Gateway Permission Denied
If you're seeing a '502 Bad Gateway – Permission Denied' error when using Windows Defender (Micro...
Issue queue
SitemapFix Windows Update Error 0x80240034 During Migration
Fix Windows Activation Blank Screen Using System Restore
FFmpeg Permission Denied Troubleshooting Ubuntu
Troubleshooting PostgreSQL Connection Refused (port 5432)
Checklist for Windows Security Module Errors
Stop systemd Service from Continuously Restarting
Troubleshooting MongoDB Compass Authentication and Connection Refused
How to Fix Missing Python Interpreter in VSCode on Linux
Mac Microsoft Store Setup Guide
Troubleshoot High CPU from Windows Security Update
How to Enable Startup Type for Microsoft Store Services
Microsoft Store on Mac: Troubleshooting Checklist
Fix Windows Activation Blank Screen Using System Restore
FFmpeg Permission Denied Troubleshooting Ubuntu
Troubleshooting PostgreSQL Connection Refused (port 5432)
Checklist for Windows Security Module Errors
Stop systemd Service from Continuously Restarting
Troubleshooting MongoDB Compass Authentication and Connection Refused
How to Fix Missing Python Interpreter in VSCode on Linux
Mac Microsoft Store Setup Guide
Troubleshoot High CPU from Windows Security Update
How to Enable Startup Type for Microsoft Store Services
Microsoft Store on Mac: Troubleshooting Checklist