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

Fix VSCode Remote SSH Permission Denied (Public Key)

When connecting to a remote server via VSCode's Remote SSH extension, you may see the error 'Perm...

Fix Outlook Error 0x80004005: Step-by-Step Troubleshooting

Outlook error 0x80004005 typically appears when sending or receiving email, often with a vague me...

Fix KMS Activation Error: Port 1688 Already in Use

Fix Remote Desktop Certificate Error Authentication Failure

You attempt to connect to a remote PC via Remote Desktop (RDP) and see an error like “Authenticat...

How to Fix 'Access Denied' When Setting Windows Security Permissions

When you try to change permissions on a file or folder in Windows, you might see an error like 'A...

Fix Windows Security Not Launching at Startup

You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...