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

How to Set Up OneDrive Selective Sync on Mac

If you're using OneDrive on a Mac with limited storage, selective sync lets you pick which folder...

Java JDK Not Recognized After Installation: Fixes and Checks

Step-by-Step Windows Activation Configuration Guide

If Windows shows an activation warning or you are setting up a new PC, follow these steps to conf...

Fix Jupyter Kernel Not Starting in Anaconda

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

Fix OneDrive Error 0x8004de40: Connection or Credential Issue

OneDrive error 0x8004de40 usually appears when signing in or syncing. It points to a problem with...

Docker Compose Network Setup Checklist

When you run docker-compose up and services can't talk to each other, the network se...