well I have went into the database contorl panel ( web data administrator ) that my hosting provided and I selected the databes that it same name as what I have in my connection string, then I opted to export database
it looked like this
then it would let me save the file like mydatabase.sql
so I thouhgt I have had my database exported (backed up / saved for emergency case like I have now )
I have also backed up all the files and folders of the root directory
I thought that would be enough if I'd need to roll back... at the moment I have DNN441 running on my site quite ok don't see errors anymore, but the problem is that several text/html modules are gone and I can't remember what was there, one site was all only on text/html modules and now it's empty so I thought if I can use what I have to restore on my computer that would help me to recover all lost content on my running site.
Even if the host will offer a recovery they would recover my running site to dnn337 again and I will have to go through upgrade again probable facing the same errors...