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

Docker Daemon Not Running: A Beginner's Checklist

If you're new to Docker and see an error like Cannot connect to the Docker daemon or...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

How to Fix Git Clone Permission Denied (Publickey)

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

Fix VirtualBox Kernel Driver Not Working After Update

After a system update, VirtualBox may fail with errors like "Kernel driver not installed" or "Vir...

Fix Windows Defender Threat Service Stopped & No Internet

You open Windows Security and see 'Threat service has stopped. Restart it now.' At the same time,...

Fix Windows Search High CPU Usage When Not Indexing

You may notice high CPU usage from a process called SearchIndexer.exe or RuntimeBroker.exe, even ...