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

Fix Windows Defender Version Mismatch Sync Errors

You see a message that Windows Defender definitions are out of sync, or that the client and serve...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Fix Redis Server Not Starting Due to Out of Memory Error

When Redis fails to start with an out-of-memory (OOM) error, it's usually because the system cann...

Fix Chrome Profile Error After Update: Step-by-Step

After a Chrome update, you might see an error like "Your profile could not be opened correctly" o...

How to Run Command Prompt as Administrator for Setup Tasks

Many setup tasks—installing software, configuring system services, or modifying protected files—r...

UFW Firewall Rules Not Applying to Docker Containers: Fixes

You've set up UFW rules to restrict traffic, but Docker containers still connect freely. This is ...