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

OneDrive Sync Troubleshooting on Ubuntu via Command Line

If you use OneDrive on Ubuntu and files stop syncing, the command line gives you direct access to...

How to Fix OpenVPN TLS Handshake Failed Error

If you see "TLS Error: TLS handshake failed" in your OpenVPN client log, the connection cannot es...

Fix Nginx 502 Bad Gateway Behind Cloudflare

If you're seeing a 502 Bad Gateway error on a site that uses both Nginx and Clou...

Windows 11 Activation Error: Product Key Blocked – Fixes

You see “Product key blocked” during Windows 11 activation. This usually means the key is tied to...

Fix Microsoft Teams File Locked Configuration Settings

When you see 'file locked' in Microsoft Teams, it usually means another user or process has the f...

How to Fix Outlook Setup Error 'Cannot Start Microsoft Outlook'