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

Fix Microsoft Teams Screen Sharing Not Working on Ubuntu

Screen sharing in Microsoft Teams on Ubuntu often fails silently—your audience sees a black scree...

How to Fix Slow Windows Search Performance

When Windows Search takes minutes to find a file or returns no results, it's usually due to index...

How to Fix Chrome Browser Proxy Error (ERR_PROXY_CONNECTION_FAILED)

If Chrome shows "ERR_PROXY_CONNECTION_FAILED" or similar proxy error, it usually means the browse...

Fixing GitHub Actions Permission Denied for Git Commands

Fix Task Scheduler 502 Bad Gateway After Setup

You set up a task in Windows Task Scheduler to hit a web endpoint, but it returns a 502 Bad Gatew...

Windows Defender Proxy Error: Setup Checklist for Fix

You're running Windows Defender and it throws a proxy error—often during an update or a full scan...