'Standalone App won't open after new install on Ubuntu 18.04 ... Stuck on Migrating data store screen

I have used the Advanced Rest Client Chrome App for some time (rather old version and can't upgrade).

I wanted to switch over to using the standalone app so I downloaded the .DEB for version 17.0.9 off the advanced-rest-client GitHub account and installed.

Once I try to open this for the first time it just hangs on a screen saying:

"Preparing something spectacular Migrating data stores"

It just hangs there without closing/changing, and the software never actually opens.

I have tried removing the software and reinstalling but I still keep seeing the same screen.

I felt this might be because of my old Chrome App but I can not upgrade it (my company started blocking the Chrome Store). I also do not want to remove it since I won't be able to reinstall it.



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