Hello Akios, sorry to hear you have a problem. Can you go to <a href="https://wiki.roll20.net/Solving_Technical_Issues" rel="nofollow">https://wiki.roll20.net/Solving_Technical_Issues</a> and follow the steps 1-3 listed. If none of them helps please follow step 4 and post the complete console log here for us to look over. Thank you.