"An error occurred during the installation of assembly" major error, need help.

I'm trying to update itunes because my it doesnt recognise my ipod touch 4 on my laptop.  I have tried on another computer and it recognises it so I know it's not the ipod.   However, I keep getting messages like these which impede the installation process.
Now ever since I have tried to complete the update I cannot open Itunes at all and I get this message.
Please help because this is extremely stressful as every time I follow a prompt to fix this error it just keeps getting worse and worse.
I am using Windows 7 64x

Ok so I managed to get itunes to open again.  All I had to do to solve the second issue was to close the update process.
I then went into itunes and tried to download again via the prompts which results in this...
Of course, I have done this.  The first message was the result of trying to install this way.
I'm scared to uninstall the itunes I have as I am afraid that it wont let me reinstall because of these issues.

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  • HT1926 Can't download iTunes on my laptop receive following error message- an error occurred during the installation of assembly Microsoft vc80.CRT.type="win32", version 8.0.50727. 6195 public key token= ifc8b3b9a1e18e3b process architecture=x86hresult:00

    Can't download iTunes on my laptop receive following error message- an error occurred during the installation of assembly Microsoft vc80.CRT.type="win32", version 8.0.50727. 6195 public key token= ifc8b3b9a1e18e3b process architecture=x86hresult:0073

    These ones are typically caused by underlying problems on the PC that also often cause Windows Updates to fail to install. If we can fix the Windows Update trouble, we can usually get the iTunes trouble cleaned up en passant.
    Go into your Windows update and try to check for new updates. If updates install, stock up on the ones you're behind on, restarting the PC if requested to do so. After the restart, try installing iTunes again. Does it go through this time for you?
    If windows updates fail to install, go into your Update History and doubleclick the failures. What alphanumeric codes appear for you? (For example, 8007000B.)

  • I cannot download itunes on my pc.  I get the message "An error occurred during the installation of assembly. "microsoft.VC80.CRT.type=8 0.50727.4053". publicKeyToken="1fc8b3b9a1e18e3b". processor rArchitecture=amd64".

    i cannot download itunes on my pc.  I get the message "An error occurred during the installation of assembly. "microsoft.VC80.CRT.type=8 0.50727.4053". publicKeyToken="1fc8b3b9a1e18e3b". processor rArchitecture=amd64".
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    Hi Gurmo,
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    https://social.technet.microsoft.com/Forums/en-US/0b3d0479-b9c0-4551-a623-1519ce7584af/error-when-installing-sql-server-2008-r2-rtm-on-windows-server-2008-r2-foundation?forum=winservergen
    Thanks,
    Lydia Zhang
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    Lydia Zhang
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  • Can't download latest Itunes 10.5 - Keep receiving following error: An error occurred during the installation of assembly 'Microsoft VC80 CRT.type="win32",version="8.0.50727.6195".publicKeyToken="1fc8b3b9a1e18e3b".pro cessorArchitecture="x86". Please refe

    Can't download latest Itunes 10.5 - Keep receiving following error: An error occurred during the installation of assembly 'Microsoft VC80 CRT.type="win32",version="8.0.50727.6195".publicKeyToken="1fc8b3b9a1e18e3b".pro cessorArchitecture="x86".

    OK.  If both of you are Windows 7.  Make sure you go to Windows update (START button, type in Windows Update). Check for updates and update whatever that are available. (especially Microsoft .NET Framework 4 )
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    Be aware that Windows Installer CleanUp Utility will not remove the actual program from your computer. However, it will remove the installation files so that you can start the installation, upgrade, or uninstall over.
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