See these earlier threads:
Re: InDesign CC 2014 Crashes on Startup and Re: Indesign CC 2014 trial version not opening.Getting a dialog box" A problem caused the program to stop working correctly.Windows will close the program and notify you if solution is available." Dell N5110 portable comp - Win 7 home premium Still have
One of them should help.
Thanks for your suggestions. I've tried all the troubleshooting that was recommended but it still isn't working.
Can I do anything else?
Did it work in a new user account?
I wasn't able to try that, because the app wasn't opening at all, but I have been able to fix it now thanks.
Apparently It was missing two extensions: msvcr80.dll and msvcr100.dll
Thank you for all your help