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

Fix Windows Update Error 0x80070002 – Cache Corruption

When Windows Update fails with error code 0x80070002, it often points to a corrupted download cac...

Fix Windows Security Proxy Error: Permission Denied

When Windows Security displays a "proxy error: permission denied" message, it usually means the s...

Fix Microsoft Teams 502 Bad Gateway Due to Network Config

You open Microsoft Teams and see a 502 Bad Gateway error. This usually means you...

Fix 'chrome command not found' After Snap Install

Fix Windows Activation Error 0xc004c003 Without Internet

You see error 0xc004c003 when trying to activate Windows, and your device either has no internet ...

How to Reduce Microsoft Teams CPU Usage During Meetings

If your laptop fan spins up or your video stutters during Teams meetings, CPU usage is likely the...