Big problem - revolution slider disepear

Hi, i dont know what happens, but today my revolution slider disepear. 

I see slider revolution plugin in plugins, but i can not activate it and update it too!

What is wrong?

Only what i see i can not do nothing. Activate doesnt work update too. In update system said, update failed no files in package...

Slider RevolutionBundled Premium PluginRecommended

5.4.6.3Installed version:

5.4.7.4Available version:

Installed But Not Activated, Requires Update


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