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

Fix Windows Defender Offline Scan Not Working on Windows 10

When Windows Defender offline scan fails to start or complete on Windows 10, you might see an err...

Fix Windows Search Update Permission Denied Error

You try to update Windows Search, but get a 'permission denied' message. This usually happens whe...

Fix Windows Update Error 0x80070020: File Locked

You try to install Windows updates but get error 0x80070020. This usually means another program o...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

Fix 'Port Already in Use' Error with Windows Defender Firewall

You try to start a local service or application, and it fails with an error like 'port already in...

Fix Windows Terminal 'Unable to Verify the First Certificate' Error

When using Windows Terminal to connect to a remote server via SSH or access a website over HTTPS,...