cant upload audio

[maynard77]

every time im trying to upload audio ( mp3 or wav file ) program mulab 8 ( mulab-8-0-65 or newest mulab-8-6-26-win64 ) freezing , i did upload on the newest one once , worked on project for 4 hrs , saved , and now cant open it , program freezing , on the older one i was able to upload wav files size over 100mb , now cant even below 100mb , today im not able to upload even mp3 on it , can you tell me whats going on ??
thanks

[MuTools]

MuLab does not include an "upload" function so it's unclear what you mean. Please be more precise.