Summary
Fixes Crash-On-Launch issue when a Unity Editor listed in the VCC settings has been uninstalled.
Download
If you already installed the Creator Companion, simply open it and click Update.
To install the Creator Companion, download the latest version from the official download page.
However, if a direct link to this version is needed, it can be found at VRChat_Creator_Companion_Setup_2.2.3.exe.