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

Fix Chrome Not Working with Proxy on Ubuntu

You configured a proxy in Ubuntu, but Chrome ignores it or throws connection errors. This often h...

How to Reset Microsoft Store Cache and Fix Port Conflicts

If the Microsoft Store won't load, apps fail to install or update, or you see error codes like 0x...

Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

How to Fix 'Command Not Found' in Windows 11 Activation

When you try to activate Windows 11 using slmgr commands in the Command Prompt, you ...

BitLocker Auto-Unlock Not Working in Windows 11: Fixes

If you've set up BitLocker on a Windows 11 drive and enabled auto-unlock, but it still asks for a...