Windows 7 Unable to install Itunes. An error occurred during the installation of assembly HRESULT:0x800736FD

Anonymous

**Original Title** An error occurred during the installation of assembly 'Microsoft.VC80.CRT,version="8.0.50727.4053",type="win32",publicKeyToken='1fc8b3b9a1e18e3b",processorarchitecture="x86". Please refer to Help and Support for more information. HRESULT:0x800736FD

Windows xp to Windows 7 32 bit install of home premium. iTunes will not install. The installation freezes at Publishing product information, gives this error message:

An error occurred during the installation of assembly 'Microsoft.VC80.CRT,version="8.0.50727.4053",type="win32",publicKeyToken='1fc8b3b9a1e18e3b",processorarchitecture="x86". Please refer to Help and Support for more information. HRESULT:0x800736FD

stays frozen and eventually claims iTunes was installed correctly. Opening iTunes produces an error stating that Apple application support is not installed (Apple application support/Apple mobile device support are not on the computer). (Bonjour, Quicktime, and Apple software update are there). I have uninstalled the programs which goes fine but nothing I try can get itunes to work. I tried installing itunes 8.0, running on a different administrator user, running as administrator, stopping all programs from running, and installing while offline. I read that there might be a problem with Microsoft Visual C++ 2005. My computer shows both Microsoft Visual C++ 2005 Redistributable andMicrosoft Visual C++ 2008 Redistributable - x86 9.0.21022.218 on it. I tried installing the Microsoft Visual C++ 2005 Service Pack 1 Redistributable Package ATL Security Update file vcredist_x86.exe found at **http://www.microsoft.com/downloads/details.aspx?familyid=766a6af7-ec73-40ff-b072-9112bab119c2&displaylang=en#filelist**

but it freezes at around 100% of completion.

This is where I am now. My Windows updates have not been failing and my system is up to date. I do not know what to do as I need this program installed in order to use my phone.

Thank you for your time and any assistance you might be able to offer.

--Daniel

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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Anonymous

I reinstalled Windows 7.

Good luck other people with the same problem.

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62 additional answers

Anonymous

2011-07-18T19:20:48+00:00

Just to add to this, experienced this error on vista when installing itunes. After much searching and head scratching I've traced it back to spybot search and destroy resident protection. Disabling the protection results in the installer completing successfully.
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Anonymous

2011-04-27T19:21:51+00:00

Javier, you the man!!!

I've spent 3-4 hours trying all possible options including the most common solution found on the internet to open the exe file using winrar and then run the application MSI but nothing worked. Finally I tried your option and it works now :)

Thanks a lot for this!

Cheers,

Sanjay
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Anonymous

2011-04-24T23:26:17+00:00

Please remove this as the answer - Javier has provided a solution that has worked for myself and others on page 2. This is one of the top pages on google for this issue and moving Javiers answer up could really help people.

-Thanks
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Anonymous

2011-04-24T23:24:01+00:00

Thanks Javier, this still works in 2k11 :) - Appreciate it, been pulling my hair out with this issue for quite some time!!!
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