Lumia 640 crashes while transferring files, how can I stop this?

[skt_diaz]

lumia 640 crashes while transferring files

whenever i try to copy files from w10 desktop to lumia 640's sd card, both my desktop and phone crashes. does anyone know why this is happening? small files cause the phone to crash towards the end of transfer, while big files dont even progress.

 

[skt_diaz]

Re: lumia 640 crashes while transferring files

Only way i am able to transfer files is by using feem wifi transfer app