Here is the source code for Microsoft Windows Vista :

/**
* (c) 2007 MiniMou Corp.
* All rights reserved
*/

#include


class WindowsVista extends WindowsXP implements Nothing
{
     boolean beta = true;

     WindowsVista()
     {
          checkIfHardwareIsCompatible();
          /** Ok. The idiot seems to have some high end hardware.
           * Lets make his life miserable
           */
        
          runInternetExplorer7();
     }


     void checkIfHardwareIsCompatible()
     {
     /*
     * Lets make sure that half the world cannot run this OS while
     * we fix all the bugs
     */
          if((installedRam < 2GB) && (processorSpeed < 4GHz))
          {
MessageBox("Your System does not seem to be capable of running zero err.. aero glass and the like. Please upgrade the hardware and try again.");
               WaitTillPoorGuyReadsTheMessage();
               bsod();
          }
     }


     void runInternetExplorer7()
     {
          IE7 ie7 = new IE7();
        
          ie7.featureSet = firefox_features
               + safari_features
               + opera_features + lot_of_bugs;
        
          ie7.run();
          WaitWhileThePoorGuyLooksAtTheNewInterface();
          bsod();

     }

     /**
      * return true when product is stable.
      */
     boolean isReadyForRelease()
     {
          int lastReportedNumberOfBugs = 3457888E+08
          int totalNoOfNewFeatures = 600;
          boolean readyForRelease = false;


          sendFeatureSetToMarketingGuys();

          while (marketingGuysAreAtIt)
          {
               Thread fixBugsWhileInBeta = new fixBugsWhileInBeta();

               fixBugsWhileInBeta.assignProgrammer(oneBug);
               fixBugsWhileInBeta.start();

               if(programmersAreNotSufficient)             
               {
                    hireFromXBOXDivision();
               }

               if(aMonthHasPassed)
               {
announce("Windows Vista Consumer Version Will be delayed by one more month");
                    dropAFewFeatures();
                    totalNoOfNewFeatures = totalNoOfNewFeatures - 10;
               }

/** Boss strictly told me that we should have no more than * 7000 bugs
               * when we ship the item
               */
               if(lastReportedNumberOfBugs-- == 7000)
                    return true;

          }

     }

     int main(void)
     {
          WindowsVista vista = new WindowsVista();
          vista.runWindowsXP();
          return plentyOfMoneyforBilly;
     }

}
Bluffant non ?? :-)