Premiere pro's export tab and other tabs not working.

Hello, Nice to meet you all. But about that premiere pro thing, When ever i try to export using the tab it doesnt go to the tab it is still in the tab. I also tried reinstalling it but heres the image:

I use windows with
Processor Intel(R) Pentium(R) CPU B960 @ 2.20GHz 2.20 GHz
Installed RAM 6.00 GB (5.89 GB usable)
System type 64-bit operating system, x64-based processor