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How do I know which Adobe programs I need on my computer?

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My Adobe Flash Player keeps crashing. I just downloaded Flash Player 14 Plugin and noticed that I have 5 other Adobe programs on my computer. How do I know which ones I need to keep? The ones I have are:

         Acrobat.com installed 7/03/2010; 
         Flash Player 13 Active X installed 5/14/2014; 
         Flash Player 14 Plugin installed 7/09/2014; 
         Reader X (10.1.10) installed 5/19/2014; and 
         Shockwave Player 12.0 installed 9/16/2013.

Since you list the installed plugins below, any information about the ones not needed would be helpful.

My Adobe Flash Player keeps crashing. I just downloaded Flash Player 14 Plugin and noticed that I have 5 other Adobe programs on my computer. How do I know which ones I need to keep? The ones I have are: Acrobat.com installed 7/03/2010; Flash Player 13 Active X installed 5/14/2014; Flash Player 14 Plugin installed 7/09/2014; Reader X (10.1.10) installed 5/19/2014; and Shockwave Player 12.0 installed 9/16/2013. Since you list the installed plugins below, any information about the ones not needed would be helpful.

Chosen solution

You don't need any! But if you don't have them there are "things" you won't be able to do on the internet or read when you download a file that needs an Adobe program or plugin.

Flash Player 13 Active X installed 5/14/2014; = is for Internet Explorer

Acrobat.com installed 7/03/2010; and Reader X (10.1.10) installed 5/19/2014; allow you to view the same type of files - PDF - except the old plugin for Acrobat isn't "seen" by Firefox, might be an IE-only version of Acrobat??

Shockwave Player 12.0 installed 9/16/2013. = isn't used too much any more - I got rid of it (like) 5 or 7 years ago and don't even miss it

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Your current System Details shows;

Installed Plug-ins

Shockwave Flash 14.0 r0 Adobe PDF Plug-In For Firefox and Netscape 10.1.10 Adobe Shockwave for Director Netscape plug-in, version 12.0.4.144

As far as Adobe software is concerned.

I did not see anything on the list you posted. Are you asking about another computer?

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Chosen Solution

You don't need any! But if you don't have them there are "things" you won't be able to do on the internet or read when you download a file that needs an Adobe program or plugin.

Flash Player 13 Active X installed 5/14/2014; = is for Internet Explorer

Acrobat.com installed 7/03/2010; and Reader X (10.1.10) installed 5/19/2014; allow you to view the same type of files - PDF - except the old plugin for Acrobat isn't "seen" by Firefox, might be an IE-only version of Acrobat??

Shockwave Player 12.0 installed 9/16/2013. = isn't used too much any more - I got rid of it (like) 5 or 7 years ago and don't even miss it