Rollback Update in GRUB

[Red-Owl]

kernel 6.4, nvidia driver, virtualbox, rtx2070, uhd, multiple monitor
i have install 23.04 system FULL works: proprietary driver, virtualbox (win2k) full color, fractional scale

1. i have update a kernel (proposed by snap)
   system have a problem: incorrect screen resolution 800x600 (!!)
2. update a module:
   high cpu usage, virtualbox non have a full color only 65000, incorrect resolution of virtualbox, in monitor, no multiple monitor support
   icon in desktop not works, display only "Home folder",
   no fractional scale found

all installed entry in grub have a problem after update

Please insert cancel last update, and add entry in grub.
(simple fast)