Delphi XE - F1027 Unit not found: 'System.pas' or binary equivalents (.dcu) upon Activation of trial version

Question

I just purchased the full version of Delphi XE Architect after using the trial version for 30 days. I can\'t build anything, every time I go to build a project I get the er

Answer 1

C:\Embarcadero\RAD Studio\9.0\lib\win32\release

and

C:\Embarcadero\RAD Studio\9.0\lib\win32\debug

Both of these path have been to add in Delphi XE2 from IDE <<Tools->Options->Library->Library path>>

It's OK?