Hi all,
I have been having the same issues with AccuCheck 360 with Win10 as all in this forum have indicated.
Been through the Uninstall/Reinstall of SQL & AccuChek as well. I am unaware of a fix for this being provide so I had a bit of a look myself.
I found that on occasion the Uninstall/Reinstall process would work, but then when I logged out of AccuChek and logged back in, eventually I would get the database did not exist or was not available message.
I was not able to identify why this was happening until I decided to check to see if the related services were running.
I found 2 services, both stopped, as follows;
SQL Server (ACCUCHEK360)
SQL Server Agent (ACCUCHEK360)
After ENABLING/STARTING both Services, ACCUChek 360 Started up with all of my data intact.
ACCUCHEK360 & Windows 10 still has a problem, why the services continue to be disabled sporadically, I am not sure, but I NO LONGER Uninstall/Reinstall SQL & ACCUCHEK360 - Just enable the services
for now until Roche come up with a fix.
The Following diagrams fix all, including keeping the services running.

