NMNet0 Is Missing...

Hi every one i had already posted a question before but did'nt got any response but now i got a new problem here my vmnet0 adapter is missing means that my vmware workstaion could not be a part of the network.. I had tried many methods available on internet but none of these worked like

-->Resotre Defaults

-->Installing Vmware Bridge Protocol

->>Reinstalling Vmware

& much more but none of these worked i am too much worried about this i cannot continue my study anymore about hacking kindly help me...