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Error 1935 roll back action installing fsx on w7/64bit

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Posted: Wed Jun 15, 2011 6:36 pm 

i get the following error while it configure ms 2005 C++ redistributed

Error1935.An error ocurred during the installation of assembly 'Microsoft.MSXML2,publicKeyToken="6bd6b9abf345378f",version="",type="win32",processorArchitecture="x86"'. Please refer to Help and Support for more information."

the same happens when publishing the product at the end of installation.

i tried a clean boot, i tried manual install, how can i fix this error?
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Posted: Wed Sep 28, 2011 8:15 am 

I am having the same issue, searched the web it seems common. Im no computer whizz and I can not solve it trying to follow the other ideas (W7 is not as easy to work with when your used to XP)

Same deal Windows 7 64 bit i5 processor etc etc, original software and same error as above, finished by the rollback. grrrr.

Is there a solution without being a computer engineer
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Chief Captain
Chief Captain

Pro Member

Joined: Aug 25, 2003
Posts: 19235
Location: U.S.A
Posted: Wed Sep 28, 2011 4:11 pm 

Be sure that you have the latest .NET.


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Posted: Thu Jan 05, 2012 10:32 am 

A computer with Microsoft .NET Framework installed may show error 1935 in window 7. This generally occurs while the MSI files are trying to install various policy files on your computer during the setup operations.

Following are the various ways you can implement to Fix error 1935/window7.

1. Reinstall Microsoft .NET Framework
2. Perform a Full Virus Scan
3. Full Scan your Registry
4. Re-register Windows Installer
5. Check System Files for Corruption
6. Clean the System Junk
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Tim Weatherford

Posted: Fri Sep 13, 2013 10:52 am 

Please start an Elevated Command Prompt: How to start an Elevated Command Prompt in Windows 7 and Vista

and copy and paste in the following:

fsutil resource setautoreset true %systemdrive%\

attrib -r -s -h %SystemRoot%\System32\Config\TxR\*
del %SystemRoot%\System32\Config\TxR\*

attrib -r -s -h %SystemRoot%\System32\SMI\Store\Machine\*
del %SystemRoot%\System32\SMI\Store\Machine\*.tm*
del %SystemRoot%\System32\SMI\Store\Machine\*.blf
del %SystemRoot%\System32\SMI\Store\Machine\*.regtrans-ms

and press enter after the final line if necessary.

If you are asked if you are sure, type Y and press enter.


Then I installed msxml 4.0 SP2, but it probably isn't needed as FSX installs this at the end.

This fixed it for me.
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