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

Fix Jupyter Notebook Token Not Working on Localhost

If you see a token prompt when opening Jupyter Notebook on localhost, and entering the token fail...

Fix Windows Update Error 0x80070002 – Cache Corruption

When Windows Update fails with error code 0x80070002, it often points to a corrupted download cac...

Fix Windows Security Version Mismatch Permission Denied

You might see a 'version mismatch' or 'permission denied' error when opening Windows Security, ru...

How to Fix CMD High Memory Usage

If you notice that Command Prompt (cmd.exe) is using an unusually high amount of memory (e.g., hu...

Windows Search Indexer Log File Location: How to Find and Read Logs

If Windows Search stops working, files don't appear in search results, or indexing seems stuck, t...

Fix Remote Desktop Permission Denied Error 0x80004005