Sim crash caused by repaint?

Hi!
I recently repainted a freeware VC-10, i changed the BA- livery to "old- Lufthansa". Well, Every time i started a flight with my repainted Aircraft, the sim crashed after 30 minutes or so....I did a Virus check a week later and found some suspicious files. Now, my first question: Do you think the sim crashed because of the repaint (sounds silly but maybe the sim runs unstable after changin sth by the wrong way, i dont know....) or because of this files?
I didn
I recently repainted a freeware VC-10, i changed the BA- livery to "old- Lufthansa". Well, Every time i started a flight with my repainted Aircraft, the sim crashed after 30 minutes or so....I did a Virus check a week later and found some suspicious files. Now, my first question: Do you think the sim crashed because of the repaint (sounds silly but maybe the sim runs unstable after changin sth by the wrong way, i dont know....) or because of this files?
I didn