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

Fix PuTTY Connection Refused: Check SSH Service

When you see 'Connection refused' in PuTTY, it usually means the SSH server on the remote machine...

How to Fix Windows Security Proxy Error

You may see a Windows Security proxy error when trying to access the internet after a network cha...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Fix Outlook 502 Bad Gateway Error in Office 365

If you're seeing a '502 Bad Gateway' error when trying to use Outlook with Office 365, it usually...

How to Fix Windows 10 Microsoft Store Apps Not Updating

You open the Microsoft Store, see pending updates, but they either fail to download, get stuck, o...

Windows Activation Backup: Saved Keys Not Showing?

You backed up your Windows activation using the built-in backup tool or a third-party utility. La...