Winbox Disconnects on File Upload

Trying to upload any file to a RB3011 UiAS-RM, I’ve tried a small text file and a routeros-arm package. Using Winbox 3.11 on a Win 10 machine to connect, current OS is 6.35.4 (stable). After the file starts uploading, Winbox disconnects and after reconnecting I see the file name there but it’s 0KB.

Thoughts?

Guess you can’t upload when Winbox is using the MAC to connect. Switched to the IP and it worked fine.

I guess you can’t upload file so try with some other