Can someone fix research and development please?

Joined May 2011 Posts: 20
Hello, there seems to be a problem with research and development menu/purchase button... the one with the passive perk upgrades and the unlocking of the gantry and megaship, for some reason it's not working?
I have the uranium to purchase the upgrades but it's not working, and when I try to purchase with gold the game freezes with the "please wait" pop up, and even when I reload the game the purchase still didn't go threw... all n all can some one please fix this problem please?
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