Hi.I have the Windows XP wit service pack 3 and FS 2004/FS9. I have the 737/600/700 and installed it with no problem.for 4 days now i have tryed to install the PMDG 737/800/900 and the PMDG 747/400 but it will not install :( .The installer say that it is installed but i when i open the FS it,s not ther,i have uninstalled it and installed it again but still the same.I have the same problem with the PMDG 747/400.There i get up the Following Message. Error0x800C0005 Description:The system cannot locate the resource specified.I have turned off all anti virus,Firewalls.AD-Blockers.All that can make a problem installing but still the same. :( Now i'm running out of options,What is next to try???? :(Thanks for your helpKjell

Hello Kjell,I got your email and replied.Best,