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

Windows Security Configuration Checklist

If you're setting up a new Windows machine or reviewing an existing one, a security checklist hel...

How to Fix Git Fatal Repository Not Found Error

How to Fix Nginx 404 Not Found with try_files Directive

You've set up your Nginx server block, but visiting your site returns a 404 Not Found error. The ...

Fix BitLocker Proxy Error Code: Practical Steps

When BitLocker Network Unlock fails, you might see a proxy error code in the event logs or during...

Chrome Service Unavailable: Fix Sync Not Working

You open Chrome expecting your bookmarks, passwords, and settings to be synced across devices, bu...

Fix Windows Update Configuration Failed Rollback Changes

You start a Windows update, watch the progress bar, and then see: "Configuration failed. ...