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Windows 7: MSXML4.dll failed to register.


21 Apr 2012   #1

Windows 7 Professional x64 Service Pack 1
 
 
MSXML4.dll failed to register.

I need msxml 4.0 for FSX. FSX wouldn't install because if this program. I have run sfc /scannow and run antivirus scans. When I try to install this program manually I get this error:




Attached Thumbnails
MSXML4.dll failed to register.-capturemsxml4dllerror.png  
My System SpecsSystem Spec
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21 Apr 2012   #2

Windows 7 Professional x64 Service Pack 1
 
 

Quote   Quote: Originally Posted by windude99 View Post
I need msxml 4.0 for FSX. FSX wouldn't install because if this program. I have run sfc /scannow and run antivirus scans. When I try to install this program manually I get this error:
I might have fixed this problem. I will post back if there is a problem.
My System SpecsSystem Spec
21 Apr 2012   #3

Windows 7 Ultimate SP1 64-Bit
 
 

Please check this Microsoft article for a possible solution.

MS06-071: Security update for Microsoft XML Core Services 4.0

If you have fixed the problem, please let us know what the solution was as it will help others with a similar issue.
My System SpecsSystem Spec
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21 Apr 2012   #4

win7 home premium-64bit-SP1-IE10
 
 

Hello
Please see if this solution will help

Msxml 4.0 Sp2

Good luck
My System SpecsSystem Spec
21 Apr 2012   #5

Windows 7 Professional x64 Service Pack 1
 
 

I don't know how this worked, but deleting msxml4.dll out of the SysWOW64 folder, then putting another copy of msxml4.dll, then restoring the original one from Recycle Bin fixed the problem.
The only problem I have now is that I cannot install updates for it from Windows Update. I get error code 643.
My System SpecsSystem Spec
21 Apr 2012   #6
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Caleb,

You might see if this may be able to help with this error for .NET Framework issues. Be sure to use the part for Windows 7.

Error codes

Hope this helps,
Shawn
My System SpecsSystem Spec
21 Apr 2012   #7

Windows 7 Professional x64 Service Pack 1
 
 

Quote   Quote: Originally Posted by Brink View Post
Hello Caleb,

You might see if this may be able to help with this error for .NET Framework issues. Be sure to use the part for Windows 7.

Error codes

Hope this helps,
Shawn
I tried what you told me to try, but Windows Update gave me the same error again
My System SpecsSystem Spec
21 Apr 2012   #8
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Did you also try the "Fix it" there as well?
My System SpecsSystem Spec
21 Apr 2012   #9

Windows 7 Professional x64 Service Pack 1
 
 

Quote   Quote: Originally Posted by Brink View Post
Did you also try the "Fix it" there as well?
Yes.
My System SpecsSystem Spec
21 Apr 2012   #10
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

In that case, give OPTION TWO a try in the tutorial below to reset Windows Update to see if that may help.

Windows Update - Reset
My System SpecsSystem Spec
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 MSXML4.dll failed to register.




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