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

Fix Windows Security High Memory Usage (100%)

You open Task Manager and see Windows Security (or Antimalware Service Executable) using nearly 1...

Fix Windows Update Black Screen After Restart

After installing a Windows update and restarting, a black screen (with or without a cursor) can b...

Fix Windows Terminal Permission Denied on Profile Settings

You open Windows Terminal, try to change a profile setting — maybe the font size, background imag...

Fixing Redis Connection Refused and Permission Denied Errors

When you see connection refused or permission denied while trying to co...

How to Disable Command Prompt High CPU Usage from Startup Services

If you notice that Command Prompt (cmd.exe) is consuming a lot of CPU right after boot, it's ofte...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed