Try these workarounds
1. Refresh the file system caches using the following commands:
>> rehash toolboxcacheno
2. Kill the process. Then right-click on the icon and use Run as Administrator and see if you get anywhere. If it works, then you should not need to Run as Administrator in the future, just the once.
3. Also make sure you have installed it properly.
If this doesn't solve your issue, you can create a service request here: