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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

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 Chrome 502 Bad Gateway Error After Update

After a Chrome update, some users encounter a 502 Bad Gateway error when trying to visit websites...

Fix Windows Security Update Error 0x800f0922

If you see error 0x800f0922 when installing Windows security updates, it usually means the update...

Fix OneDrive Sync Stuck Due to Rate Limits

If OneDrive stops syncing and you see errors like "Syncing paused" or "Changes being processed," ...

Fix Windows Security Antivirus Not Turning On

You open Windows Security and see that the antivirus is off, with no obvious way to turn it on. T...