I have recently been getting this error:
I re installed NZBDRONE, even removed it from ProgramData but the error keeps popping up, the program does grab my nzb’s but every no & then pop’s up with that error. Any help would be nice.
Its due to an issue with a previous update, this thread has more details: http://forums.nzbdrone.com/discussion/256/error-on-update
Version 2.0.0.205 is the latest version at this time, the issue should be resolved once that update is applied (which you may have to do manually).
Tnx did the update manually before bed last night & it worked, tnx for this awesome program 
I just pushed a new suite of tests that automatically runs and validates each updated package. stuff like this should never really happen again.