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

Fix Command Prompt Not Working in Windows 10

You click the Command Prompt shortcut or type cmd in the Run dialog, but nothing hap...

Fix Windows Security Service Not Running Error

You open Windows Security and see a red banner: “Windows Security service is not running.” Or you...

Fix 'ffmpeg command not found' in Python Script

You run a Python script that calls ffmpeg, and you see ffmpeg command not found. Thi...

Fix Cloudflare SSL Flexible Redirect Loop on Apache

If you use Cloudflare's Flexible SSL mode with an Apache server, you may encounter an infinite re...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

Fix Windows Security Network Error 0x800704cf

When you open Windows Security and see error 0x800704cf, it usually means the app can't reach its...