[texworks] Missing packages

[Alaa Haroun]

Yes, I went to the miktex package manager and downloaded them, but now when I make any change in my beamer presentation or pdf paper, I cant view the change nor get a result, it keeps compiling with no result 

-----Original Message-----
From: Andreas Hirsch [mailto:cursus.publicus at sacrumromanumimperium.org] 
Sent: Wednesday, June 14, 2017 4:37 PM
To: Alaa Haroun <201350121 at uaeu.ac.ae>; TeXWorks <texworks at tug.org>
Subject: Re: [texworks] Missing packages

Alaa Haroun schrieb am 2017-06-14 um 09:21:
> I'm finding a problem installing missing packages in TexWorks , it's 
> the beamer.cls file and the cite.sty , I tried from a the internet and 
> chose the nearest destination to my location but not success, can 
> anyone help. I have to submit this paper for a conference and It's 
> killing me.
Die You try to start the MiKTeX-Paket-Manager by hand?

Andreas