And that’s it! All fixed.Ĭredit goes to Evadobe1 from the Adobe forums for posting this solution that I’ve paraphrased. It will tell you it’s a trial, so you have to click on “License this software” It will give you the software license agreement. Now you can launch the appliation or open a PDF. Navigate to C:\ > Program Files (x86) > Common Files > Adobe > Adobe PCD > Cache > Cache.db (This happens exactly 30 days after you install the software). If you have a Windows 7 64-bit computer and Acrobat Professional just won’t launch at all and will not open ANY pdf file, follow the instructions below.