Multiple versions of Proxmox on server boot

Jan 26, 2021
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When starting a server with proxmox ve 6.4 installed, several versions are released for download.
Why is it so and, as a rule, when I select the latest version, after downloading after a while it freezes.
You have to reboot and select the oldest version.
 
I'm not sure I follow. Have you installed Proxmox VE and are now having trouble updating the system? Or are you having trouble booting the system?
 
Good afternoon.
Here's the thing:
I have Proxmox installed with UEFI.
Several virtual machines were sliced on windows server 2019.
When you install updates from the repository, sometimes it asks to restart the server.
When I reboot, 4 lines come out with a choice of loading:
3 lines indicating the version of proxmox in my opinion and 4 lines of loading associated with the Proxmox shell.
I always choose the oldest version of Proxmox in terms of numbers, since it loads and works stably, if I choose the newest, after a while Proxmox just freezes. I don’t know what it’s connected with.
 
Good afternoon. In the attachment there is a photo of the download options. It pops up every time you restart Proxmox. The courses are always installed on the latest version.WhatsApp Image 2021-10-27 at 15.15.19.jpeg