As per the issue description mentioned above, Acrobat is crashing when working with pdf files on Windows Server 2012 R2, is that correct?
Could you try troubleshooting steps given under Correct Answer in the link below:
Keep us posted with the results.
I already know this thread and tried every single mentioned solution.
None of them solved the problem. Disabling the Sandbox reduced some hangs.
Hope there is another possible solution.
Hi Patrick ,
As you suggested above, this could be a user profile issue. Could you please try creating a new user account, login into the account and launch Acrobat from there?
You may refer to the steps given in this link on how to create a new user account on Windows Server: Create a New User Account
I created a new user account and experience the same problems.
Especially navigating in the tool menu creates those hangs.
On this server is also Indesign CC 2017 installed. I detected that every user starts about 6 - 8 Adobe background processes after logon. Could there be a conflict between the processes ?
I am a Mac user and I am consistently also getting a "hang" error every time I try to use Adobe Pro -- the program becomes non-responsive about 10-15 seconds after I open a document. I downloaded Adobe Reader and it seemed to work ok for about a day, and now I experience the very same "hang" error. I have copied and pasted the top portion of the exact error message below. Please help! Thank you!
Date/Time: 2017-08-29 17:20:14 -0500
OS Version: Mac OS X 10.12.6 (Build 16G29)
Report Version: 25
Data Source: Stackshots
Path: /Applications/Adobe Acrobat 2015/Adobe Acrobat.app/Contents/MacOS/AdobeAcrobat
Version: 15.006.30355 (15.006.30355)
Parent: launchd 
Duration: 6.40s (process was unresponsive for 7 seconds before sampling)
Steps: 64 (100ms sampling interval)
Hardware model: MacBookPro11,5
Active cpus: 8
Fan speed: 2986 rpm
I am also a mac user and experiencing the rainbow ring of death approximately 5-10 seconds after opening a PDF file in Adobe DC. I am running macOS Sierra, version 10.12.6 and have experienced nothing but trouble after finishing the trial run and then buying an annual subscription of Acrobat Pro DC.
Please find a fix as soon as possible and let us know, i have deactivated and reactivated the apps in Creative Cloud and I have also shutdown my mac and rebooted. Let me know if there is anything further I should try.
I'm a Windows 7 user and when it happens process lsass.exe uses 100% of one processor.