Getting prompted to register every time Source is launched

[Lee Rance]

After installing SourceTree v3.4.9 and v3.4.20 our users are getting prompted to enter registration details every time the app is launched. We have tried deleting all the User Appdata folders and adding this.

/user.config
AgreedToEULA = true
AgreedToEULAVersion = 20160201

As suggested here

Solved: SourceTree requires registration at launch every t... 

However the issue remains.