I made a few quick patches to try and remedy about 20-30% of users that had issues starting up OSBot. Although I typically don't even look at mirror mode, I was able to make a fix so that service should now be restored.
Although I doubt this will change anything, please help me by testing development builds before I make them stable. Version 2.4.119 was released for 17 days before I put it as a stable build. Please remove any old version of 2.4.120 that you have and make sure you get it the