I was able to contact support and although we still couldn't get it to work, the steps that we tried did fix the QBWin.log so that actual data shows up.However,...
This won't work since they continued to work in QuickBooks while I had the accountant's copy. If they restore it, they have to reenter the work that they did.
FYI - the agents are NOT able to help clear those unbilled time charges. The solution I received was to clean it up in Desktop and then migrate a new file to On...