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

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fix Windows Defender 502 Bad Gateway: Tool Usage Tips

When Windows Defender returns a 502 Bad Gateway error, it usually means the security intelligence...

How to Fix systemd Service Restarting Repeatedly Error

Fix Windows Update File Locked Registry Error

When Windows Update fails with an error like 0x80070020 or a message that a file is ...

Fix MongoDB Authentication Failed with Role-Based Access Control

You’re trying to connect to MongoDB and getting an authentication error, even though you’re sure ...

Fix PowerShell Execution Policy Error on Windows

When you try to run a PowerShell script and see the error unable to run script because exec...