Hi! I am trying to summerise an account but it does not happen

This sounds like you're talking maybe about Adobe Reader, so I've moved your post here.  Adobe has something like 10K employees and we make a few hundred products, so "needs Adobe" leaves some room for interpretation.  You're talking about forms, so I'm guessing that someone sent you a PDF that you need to complete.

It's usually pretty helpful to include some details, like what the operating system is, what the version of Reader you're using is, and exactly what steps you're taking to open the file and edit it.

If you're just editing the PDF in-line in your web browser, you may not actually be using Reader.  A lot of browsers include their own PDF readers, but they're not necessarily equipped with the full set of functionality necessary to fill and process forms.  If you're not editing the PDF in Adobe Reader, you might try saving the completed form as a new file (hopefully you'll get lucky and it will save the data you input), and you could then try opening it explicitly in Reader.

If that doesn't help, the experts here in the Reader forum probably have some better advice.

Good luck!

Is this question about Flash Player? It seems more that it is about Acrobat Reader or PDF files.