SQL server setup failure

hi!

I am installing Sql server 2012 on windows 8 and i get the following error

SQL Server Setup has encountered the following error:

Timed out waiting for a program to execute. The command being executed was "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\cyabeko\AppData\Local\Temp\pc2gon7h.cmdline"..

For help, click: http://go.microsoft.com/fwlink?LinkID=20476&ProdName=Microsoft%20SQL%20Server&EvtSrc=setup.rll&EvtID=50000&EvtType=0x86203738%25400x612CBF57

pliz help