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

Fix Windows Security 404 Error Not Loading

You open Windows Security and see a 404 error or the page fails to load. This usually points to a...

How to Manually Set Up Windows Update on a Mac

If you use a Mac with Boot Camp or a virtual machine like Parallels Desktop or VMware Fusion to r...

Outlook for Mac Sync Issues with Exchange Server: Fixes

Outlook for Mac may stop syncing with Exchange Server due to profile corruption, network issues, ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

How to Fix Windows Update Not Working After Upgrade

After upgrading Windows, you may find that Windows Update stops working—errors like 0x80070002, 0...

Fix Yarn Install Stuck at Resolving Packages Timeout

You run yarn install and it hangs at “Resolving packages…” for a long time, then eve...