Keyboard Shortcuts not working

indesign cs5.5 version 7.5

running on packard bell core i5 laptop, win10 (previously win7)

 

i've had long term problem indesign, first noticed paragraph break wasn't working, on months began realise keyboard shortcuts dont work, in preferences seem empty, looks default set not loading.

 

i've tried 'delete hidden files' & 'ctrl-alt-shift' methods seem work except don't solve problem.

 

anyone able give advice? seems maybe need download deault set of preferences somewhere?

owners of old programs have problems windows 10... none of adobe's fault... adobe did not change old program make stop working... microsoft changed operating system , why old program won't work, not because of adobe did... also... every time microsoft issues win10 update, there risk old program has been working after initial win10 upgrade stop working... bottom line, old programs require matching old operating system

 

an idea may work install and/or run old programs in windows 10... works some, not others

-right click program icon or exe , select compatibility mode in pop option window

-or run administrator http://forums.adobe.com/thread/969395 assign full windows permissions may help... says encore, required adobe programs (this not same using administrator account)

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