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

Clear Teams Cache to Fix Login Loop: Step-by-Step Guide

If you're stuck in a Microsoft Teams login loop—where you sign in but get redirected back to the ...

How to Fix UFW Firewall Port Not Open in Ubuntu

You've configured UFW to allow a port (e.g., 8080) but connections still fail. The port appears c...

How to Clear Stuck OneDrive Pending Changes

You see "Pending changes" in OneDrive, but they never finish syncing. Files may appear stuck with...

Fix Gradle Build: Could Not Find or Load Main Class

When a Gradle build fails with Could not find or load main class, it usually means t...

Fix Chrome Not Working with Proxy on Ubuntu

You configured a proxy in Ubuntu, but Chrome ignores it or throws connection errors. This often h...

GOPROXY Environment Variable Configuration Guide