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

Fix Chrome High CPU Usage on Linux: Practical Steps

If you notice your Linux system slowing down, fans spinning up, or battery draining faster, Chrom...

Fix PowerShell Authentication Token Expired in Automation Scripts

When running PowerShell automation scripts that interact with cloud services or APIs, you may enc...

Jupyter Kernel Not Starting: Quick Fixes

You open a notebook, try to run a cell, and the kernel dies or never connects. This is a common J...

How to Unlock APT in Ubuntu: Fix Locked Package Manager

If you see an error like 'Could not get lock /var/lib/dpkg/lock' or 'Unable to acquire the dpkg f...

Fix Outlook SMTP 587 Port Already Allocated Error

You try to set up or send email in Outlook, and you see an error about port 587 already being all...

Java JDK Not Recognized After Installation: Fixes and Checks