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

Fix Windows Terminal Can't Connect to Docker Container

You open Windows Terminal, type docker exec -it mycontainer bash, and get nothing—or...

Fix Windows Security Authentication Error 0x80070035

Fix Command Prompt Update Configuration Error

You open Command Prompt and see an error about an update configuration problem. This usually happ...

Windows Defender Best Settings for Maximum Security

If you want to lock down Windows Defender without causing constant false alarms or breaking every...

Fix Task Scheduler Error 0x80070020: Port Already in Use

When you see error 0x80070020 in Task Scheduler with the message "port already in use," it usuall...

Fix Windows Activation Blocked by Firewall

When Windows can't activate, one common culprit is the firewall blocking the connection to Micros...