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

Fix OBS Black Screen After Update: Practical Steps

If OBS Studio shows a black screen after an update—whether in preview or output—you're not alone....

How to Install Windows Updates on Ubuntu

If you're running Windows software on Ubuntu via a virtual machine or Wine, you may need to insta...

Fix 'Port Already in Use' Error When No Process Shows

You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

How to Restore Chrome Profile After a Crash

Symptoms of a Corrupted Chrome Profile

After a browser crash, you might see errors like '...

Fix Outlook Port Already Allocated in Exchange Server

When Outlook cannot connect to Exchange Server and you see an error like “Port already allocated”...

Fix Chrome Profile Connection Timeout and Sync Errors

You open Chrome and see a message that sync is paused due to a connection timeout, or your profil...