20-04-26 18:54:40 INFO (MainThread) [supervisor.homeassistant] Update Home Assistant to version 0.108.9
20-04-26 18:54:40 INFO (SyncWorker_0) [supervisor.docker.interface] Update image homeassistant/qemux86-64-homeassistant:0.108.6 to homeassistant/qemux86-64-homeassistant:0.108.9
20-04-26 18:54:40 INFO (SyncWorker_0) [supervisor.docker.interface] Pull image homeassistant/qemux86-64-homeassistant tag 0.108.9.
20-04-26 19:03:18 ERROR (SyncWorker_0) [supervisor.docker.interface] Can’t install homeassistant/qemux86-64-homeassistant:0.108.9 -> 404 Client Error: Not Found (“no such image: homeassistant/qemux86-64-homeassistant:0.108.9: No such image: homeassistant/qemux86-64-homeassistant:0.108.9”).
20-04-26 19:03:18 WARNING (MainThread) [supervisor.homeassistant] Update Home Assistant image fails
Update. Hyper V does not expand the drive dynamicaly. you have to do it for it… i increased it from 6gb to 10 and it worked… maybe the original poster has the same problem.