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

Fix Firefox Profile Missing on Linux Terminal

If Firefox starts with a blank profile or shows a 'profile missing' error on Linux, the profile f...

Fix Windows Search Indexer High CPU and Memory Usage

If your PC feels sluggish and Task Manager shows SearchIndexer.exe using high CP...

Windows Security Antivirus Configuration for Beginners

Windows Security (formerly Windows Defender) is the built-in antivirus in Windows 10 and 11. For ...

Fix Windows Activation Connection Refused After Update

After a Windows update, you might see an error that activation servers can't be reached—often phr...

How to Fix Chrome ERR_SSL_PROTOCOL_ERROR

You try to open a website in Chrome and see ERR_SSL_PROTOCOL_ERROR. The page won...

Fix 'Windows Security Authentication Failed' for Domain Credentials