Flight Simulator X

I am a Windows XP user. Earlier I was comfortably playing Flight Simulator X game with Acceleration expansion pack installed on my XP desktop. Due to some reasons I needed to reformat and re-install Windows XP. I did the same successfully, installed all required drivers and softwares. But after the same when I tried install Flight Simulator X, it failed with an error code “1935”. Here is the complete error message I received:

Error 1935.An error occurred during the installation of assembly
'Microsoft.FlightSimulator.SimConnect,publicKeyToken="67c7c14424d61b5b",version="10.0.60905.0",type= "win32",processorArchitecture="x86"'.Please refer to Help and Support for more information. HRESULT: 0x80070005.
assembly interface: IAssemblyCache, function: CreateAssemblyCacheItem,component: {61613E7A-1DD8-4224-B211-F4CD4A9BA25C}

I did some search about the same on web and found that the error can be fixed easily by 'MGADiag'. The error got fixed and was able to play the game. After playing it once I thought to install the acceleration expansion pack as well but this too ended with an issue and now I don’t know how to fix the same. Here is the error I received while installing accelaration expension pack:

MSI (s) (04:70) [16:22:41:968]: Note: 1: 1935 2:
{A3A4B37B-FD01-4BDC-8F15-BAC0E9E21E60} 3: 0x80070005 4: IAssemblyCache 5:
CreateAssemblyCacheItem 6:
Microsoft.FlightSimulator.SimConnect,version="10.0.61259.0",publicKeyToken="67c7c14424d61b5b",proces ssorArchitecture="x86",type="win32"
MSI (s) (04:70) [16:24:54:375]: Product: Microsoft Flight Simulator X:
Acceleration -- Error 1935. An error occurred during the installation of assembly
'Microsoft.FlightSimulator.SimConnect,version="10.0.61259.0",publicKeyToken="67c7c14424d61b5b",proce ssorArchitecture="x86",type="win32"'.
Please refer to Help and Support for more information. HRESULT: 0x80070005.
Assembly interface: IAssemblyCache, function: CreateAssemblyCacheItem,
component: {A3A4B37B-FD01-4BDC-8F15-BAC0E9E21E60}

Hope somebody here can help me out.

Hello guys, even i need a similar help. I have recently installed FSX but when I run the program my funtion keys do not work.

Any fix please?

Hey Kitaen,

let me tell you that there are few keyboards which can disable function keys. For example, Logitech keyboards use to have a small button saying "F Mode" if you press this button a light should come on near your other keyboard lights for numlock, scroll lock, etc.With the f mode light on your function keys should work normally. See if this is not the case with you.

how do you use the MGADiag for FSX?
I have the same Problem with the 1935 error..