Can't use GB

[Rock]

Hello

everytime I try to start GB I get this message:
Init: System.NullReferenceException: Object reference not set to an instance of an object.
at dx.b()
at ch.b(Int32 A_0)
Cannot start - reinstall Gatherbuddy.

What to do???

Thanks in advance

 

[Kickazz006]

right click gb.exe --> run as administrator

 

[Rock]

Sometimes life can be so easy ty