Recieving a message 'Photoshop CS5 has been stoped Working'

I have been Recieving a message 'Photoshop CS5 has been stoped Working' after

opening PS and can do a little editing and after about 4 minutes the message comes which have

only one option , close program. Sometime i recieve another message also 'Onone Library' which have option 'ok'.

                    (Adobe Photoshop CS5.1)

               I tried for a solution by changing name of file in C:\Program Files\Adobe\Adobe Photoshop CS5.1\Plug-ins\Extensions 

changed Scriptingsupport into ~ScriptingSupport but not solved. Some cannot open image.

A similiar has inserred , only chane in the name {Skype ------- Photoshop}

The other Message