Ex2 Ultra - can't manually install any apps

My Cloud OS 3 Personal & Network Attached Storage My Cloud
6

I have the same issue on an EX2 Ultra.

Tech support has been very little help on the subject. Their “solution” is to do a factory reset, including a data wipe, and start over. This is unpalatable to me. I’ve had a ticket open for more than a month and have spoken to tier 3. Ridiculous.