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

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...

Unlock a File Locked by System Command Prompt

You try to delete or move a file, but Windows says it's open in 'System' or 'Command Prompt'. Thi...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fixing Microsoft Teams Version Mismatch Error Code

You open Microsoft Teams and see an error code related to a version mismatch. The app may refuse ...

Fix Task Scheduler Service Not Running After Windows Update

After a Windows update, you might notice that scheduled tasks no longer run. Opening Task Schedul...