It was a tumultuous upgrade process, with me getting this a few times...
And then finally, after a few minutes of it working, and then a few more clicks on the continue button I hit the !!! and it took me through.
After another five or so minutes of the usual "no warnings, scroll to continue button" I got this..
So I am up to date!
This just proves that you in fact CAN upgrade on Bluehost.
FYI I was upgrading from 1.8.2 to 1.9.2. I had previously upgraded TO 1.8.2 from 1.6.x.
The site seems to be working fine. Thank you so much for your help!
Yours,
Chris Craft