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

How to Fix Git Clone Permission Denied (Publickey)

When you run git clone and see Permission denied (publickey), Git canno...

Fix Remote Desktop Black Screen on Ubuntu

You connect to your Ubuntu machine via Remote Desktop (RDP or VNC) and see only a black screen. T...

How to Fix Microsoft Store SSL Certificate Error in Windows 10

When you open Microsoft Store and see an SSL certificate error—like 'A certificate is required to...

Fix Windows Update Error 504 Gateway Timeout

You're trying to run Windows Update and get a '504 Gateway Timeout' error. This typically means t...

Fix 'Outlook Path Not Found' Error After Migration

Fix 'Chrome Profile Service Unavailable Permission Denied'

You try to launch Chrome, but get an error: "Profile service unavailable permission denied." It u...