Error message: object reference not set to an instance of an object SDL studio 2017

Question

Dear Technical support, 
 This error message first happened during converting the file to translatable format after I created a project. Then second time happened when I drag the file to translate, and try to save the bilingual file. I'm using Trados Freelance 2017, and already run the CU01 after I bought this license. 
 I also "reset the windows layout" as suggested in the community forum, no use either! 
 I use Windows 10 
 Please help me as I'm in a rush project which I received today, and I have to deliver tomoorow -- I already spent 3 hours to search solution, but without success. 
 
 Thanks and regards 
 Yingzhi

Roman Grant · Answer

Hi Yingzhi, This is very generic error message which could be caused by a number of reasons. I suggest to temporary disable your Anti Virus and Run a Repair of your Studio 2017 installation - instructions provided in the article below: gateway.sdl.com/CommunityKnowledge It would not take long to run through. If the issue persist please log a Support Ticket with our Support Team directly so they can take it further. This is the link for Support Case: http://support.xl8.one/ Thank you, Roman

Paul · Answer

Just closing this one off... problem was related to four slides in the overall pptx that prevented the file from saving. So this is a bug we need to resolve. Solution is to remove these four slides and handle them manually before putting them back into the target file. 
 
Regards 
 
Paul

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Error message: object reference not set to an instance of an object SDL studio 2017