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

Setup Environment Variables to Fix Command Not Found

You type a command you know is installed, but the shell replies: command not found. ...

Fix Redis Server Not Starting Due to Out of Memory Error

When Redis fails to start with an out-of-memory (OOM) error, it's usually because the system cann...

How to Fix Git Fatal Repository Not Found Error

Fixing Windows Security 502 Bad Gateway: Configuration Steps

When Windows Security throws a 502 Bad Gateway error, it usually means the app can't reach its ba...

How to Fix Windows Search Not Working After Migration

After migrating your Windows system to a new computer or a different drive, Search may stop retur...

How to Backup Microsoft Teams Data Before Uninstall

If you need to uninstall Microsoft Teams—perhaps to fix a persistent issue or free up space—you'l...