Since I'm posting here, not surprisingly I had exactly the same problem. Acrobat X Pro simply closed and would not launch again with no message at all. I deleted the cache files and managed to restart Acrobat X Pro right after that. It gave me an interesting option, you see the screen capture in the attachment. Although I could have the trial period extended to 32767 days (yes, that's the number) I decided to reenter the serial number anyway. So far it is working. The manace that we call copy protection rears its ugly head every now and then to remind the legitimate users what a nuisance it is to deal with it while the pirated copies probably run with no problems. Irony is unescapable!

System: Windows 7 Professional 64-Bit, Service Pack 1, full updates, i7 X980 3.33 GHz, 12 GB RAM.

Message was edited by: keptlight to add system information

Nope, I had enough of clicking the Try button which kept popping up very frequently. Deactivated the suite, uninstalled everything, and reinstalled it again. So far Acrobat seems to work (but I had said that before :-(

Had the same problem here. I upgraded from Design Premium CS5 to MC CS6 and Acrobat just decided not to work.

To fix it, I went into Photoshop, deactivated, reactivated, then went through the process again and now it works. We'll see for how long.

Another issue that really horks me off is I could not fully UNinstall CS5. InDesign remains. I also had a hard time uninstalling my separate license for AE CS5. Insane.

OK I have deactivated again and Acrobat is back - let's see how long for this time.

After 30 days the "official" fix stops working yet again. On top of this there was a major quarterly patch update (10.1.4) for Acrobat which I just installed. I was hoping, really really hoping they fixed this idiotic blunder. Guess what...... cmon' guess. I think you all already know the outcome. IT IS STILL FREAKING BROKEN!!! So...... lets just keep de-activating some UNRELATED program that is part of the suite EVERY 30 DAYS and reactivating the the entire suite. What a massive steaming pile of awesomeness! I'm so excitied I can hardly contain myself! For $1900 I really sort of expect more. Maybe I'm just weird that way.

Nope, had troubles re-installing Acrobat from CS4.  Installed Acrobat X again (twice).  Can now open it and I've printed some PDFs without crashing the apps.  I'm keeping Matt's fix handy, though.  What a colossal pita!

I think this might be the curse of the even numbered suite because I'm experiencing unprecedented problems with other products, namely Flash.

Me too ... things seem to be OK ...

I am not sure if everyone is using the same "workaround". I received specific, step by step instructions from a support person. It involved downloading a program and running it after deactivating CS6 products. After that I reinstalled all the apps again. Now, it has not been 30 days yet, I am not sure if my problem is solved. But it will be really helpfull if Adobe published this set of instructions for everyone to follow, which I suggested in my thank you note. If you have all used the same procedure, then I stand corrected.

followed instructions and reactivated suite. so far, so good - THX

Amrita, thanks for the solutioin.

I wanted to post to let you know that I first experienced this problem about 30 days after installing CS6 master collection. 

Several days ago, it died again.  So, I am concerned that the fix is not really "permanent".    In addition to taking my time and creating a "crisis" in my workflow, I am concerned that Adobe may not give us an unlimited supply of "deactivations" to get the system up and running ever few weeks.

For now, I'll just try the work around "again" and hope this time it will be permanent.

CB

We bought a site license of this Suite but on many machines the only program we installed was Acrobat X. This hack of a solution does not apply to us. Get it fixed Adobe.

Eventualy I found a solution for this issue, but am not sure if this is permanent solution:

a.) Opened InDesign and in the Help menu deactivated it, then closed InDesign.

b.) Opened Acrobat X and activated it through the Help menu by entering the Adobe ID and in a second window, by entering the licencse number for CS6, then closed Acrobat X.

And now Acrobat X seems to work again, as also all the other CS6 products (Photoshop, etc.). But who knows if this is permanent? Will come back if the issue occurs again (after 30 days?).

Since I applied the fix according to the step-by-step instructions I received in the mail, I have not had any problems with Acrobat X or any CS6 applications. I have even run CS5 apps on occasion.

Here I'm back again exactly after 30 days. And what happens? Same issue again, Acrobat X does not start again! Cannot believe it, this drives me really crazy. What can I do now?

OK. Have now applied the instructions as posted on http://helpx.adobe.com/creative-suite/kb/acrobat-failed-launch-30-days .html and Acrobat X starts up again as it should. The question is again what happens after 30 days? Will give a feedback!

I have the same problem - Adobe Acrobat X as part of CS6 suite will not start after ~30 days.  I re-install each time.  Anyone come up with a solution yet?

I orginally fixed this issue using the instructions from the chat (#46) that told us to move the cache data base file to the desktop, which I did. I have now moved it back to "cache" and now I have two cache data base files - the original one I moved before deactivication and the newer one that seems to have been created when I did the deactivate-reactivate. The original data base cache file is now named "cache(2)". What should I do now? Should I delete cache (2) which was the original date base file?