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

Fix Windows Search Indexing Turned Off Error

If you search for a file or email and get no results, or the search box says "Indexing is turned ...

How to Fix '404 Not Found' File Path Errors in CMD

Jupyter Kernel Connection Error: Causes and Fixes

You start a Jupyter notebook, try to run a cell, and see a message like "Kernel error" or "Connec...

Fix Windows Activation 502 Bad Gateway After Upgrade

After a Windows upgrade, you might see a '502 Bad Gateway' error when trying to activate. This us...

How to Fix Windows Update Error 0x80070643

You're trying to update Windows, but error 0x80070643 stops the process. This usually means the u...

Fix OneDrive Sync Error 0x8004de40: Reset Settings

If you see error code 0x8004de40 when trying to sync files in OneDrive, it usually means the sync...