Knowledge base for software setup, errors, and daily tool work.

MongoDB Authentication Failed: Administrator Checklist

Fix Windows Security High Memory Usage (MsMpEng.exe)

You open Task Manager and see Windows Security (the process is MsMpEng.exe) using 500 MB or more ...

Fix PowerShell Set-ExecutionPolicy RemoteSigned Not Working

You run Set-ExecutionPolicy RemoteSigned in PowerShell, but the change doesn't stick...

Fix OneDrive Stuck on 'Resolving Changes' Error

You open OneDrive and see 'Resolving changes' stuck for minutes or hours. Files won't sync, and t...

Windows Defender Real-Time Protection Won’t Turn Off: Fixes

You go into Windows Security, toggle off real-time protection, and within a few minutes it’s back...

Windows Update DNS Error: Practical Troubleshooting Checklist

When Windows Update fails with a DNS error, it usually means your PC can't resolve the domain nam...