can you see the command start with
so what you need to do is to open cmd prompt as admin and type in there start and repeat the same command by enclose it with quotation marks, ie
start "path the setup.exe\setup.exe /server" and that's all... ie
So much documentation, everytime someone replies, I get a link to anew document!!!
I'm clearly coming across as incompetent, but I'm not! There's so many notes and guides and warnings that it's making me nervous about doing the upgrade when it's probably going to be straightforward!
I thank you all for your assistance, it has been a great help! I think I was just expecting this to be a little more straightforward than it has turned out.
I'm going to attempt this one more time and if it fails, I will call support.
8.1.2 has a new client update method: vxupdate.
vxupdate_nbclient_8.1.2_windows_x64.sja VXUPDATE FOR X64 WINDOWS
You will find a vxupdate file for each supported client OS.
Extracts from 8.1.2 Upgrade Guide: