If you play any old Shockwave games don't update!!

Okay I have updated my shockwave and I want to downgrade if I can it won't load any games without giving me this error =l http://prntscr.com/13n60u I keep getting that error but on my other pc where I didn't update it works fine so please either fix this or tell me how to downgrade thanks Shockwave Company.

-Kyle