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Nitro pro 12 stopped working

Steven Buckley

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Steven Buckley

Nitro pro 12 stopped working in the app.  It works as add-on in word.  The repair and uninstall will not work as it is showing "Something is Blocking Nitro from Proceeding  - the following files are in use.  You will have to close the applications before the installation can proceed:  Microsoft Word and Nalpeiron Licensing Service must be closed before proceeding."

There are no open files or apps, and I cannot use the Nitro app at all.  Please help! 

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Allain Umailin

Hello @shbuxy@yahoo.com,

Thank you for reaching out to us through our Community Forums!

In order for me to further assist you with your concern, could you please provide the following?:
-When it stopped working, did it revert to Trial mode? If yes and prior to this event, did your machine installed major Windows Updates?
-When you received the error message you provided, are you in the process of reinstalling the program or you are attempting to uninstall?
-Have you tried rebooting the machine and tried to uninstall again the program?

Thank you very much in advance and I am looking forward to hearing back from you. 

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Steven Buckley

Hi Allain, 

There was something going on with my Office 365 and it was affecting Nitro Pro. Yes, I had updated all of Office 365 previously and was working with Microsoft directly.  They actually created the problem, in my opinion.  So, because of that and other issues that I was experiencing, I reformatted my entire computer and reloaded all of Windows + Office 365 + Nitro, and now it is back working perfectly.   Thanks for reaching out.  

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