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

Fix Jupyter Kernel Not Starting in Anaconda

When you launch a Jupyter notebook from Anaconda Navigator or the terminal, the kernel may fail t...

PowerShell Authentication Failed: Practical Fixes

You try to run a PowerShell command and get an authentication failed error. The message might say...

PowerShell Performance Checklist for Slow Scripts

If your PowerShell script takes minutes instead of seconds, the problem is usually not the comput...

Fix High CPU Usage by MsMpEng.exe (Windows Defender)

If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...

Command Prompt Opens and Closes Immediately: Fixes

You double-click Command Prompt (cmd.exe) and a black window flashes on screen—then disappears. T...

Install NuGet Provider Manually Without Internet