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Windows 7: What Does Microsoft Fixit 50123 Actually Do?

12 Jun 2014   #1
Electron

Windows 7 Home Premium 64 Bit
 
 
What Does Microsoft Fixit 50123 Actually Do?

I had trouble today installing the two x64 bit Windows 7 updates, and it was suggested that I download and run Microsoft Fixit 50123.

Does anyone know what that Fixit or any Fixit actually does? Would it just be a few registry writes or changes?

I don't know for certain whether it helped but the next attempt with the two updates succeeded.


My System SpecsSystem Spec
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12 Jun 2014   #2
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

Hi,
I believe this is what your referring to ?
.NET Framework update installation error: "0x80070643" or "0x643"
My System SpecsSystem Spec
12 Jun 2014   #3
Electron

Windows 7 Home Premium 64 Bit
 
 

I have not installed the new .NET updates yet and had my problem with two 64 bit Windows Updates. However, the same Microsoft Fixit seems to be suggested for several different problems.

I'd just like to know what it does and also whether it is reversible. It does not show up in the Control Panel and can probably only be reversed using System Restore.

My Error Code on two failed installations was 80070308.

Failed updates were KB2957509 and KB2800095.

Thanks for the help.
My System SpecsSystem Spec
.

13 Jun 2014   #4
NoelDP

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
 
 

The fixit apparently repairs the MSI registration - which means that it checks all the dll files involved with the MSISERVER service and ensures that they and their associated registry entries are correct, as well as checking the registry entries for the service itself. This service is the one which controls the TrustedInstaller service/identity, amongst other things.

Effectively, it runs the REGSVR32 command on each necessary dll.

There should be no need whatever to 'reverse' it, as it sets the service back to the default state. If the Fixit fails, or fails to solve the problem, then the corruption either wasn't in the service, or is more widespread.
My System SpecsSystem Spec
13 Jun 2014   #5
Electron

Windows 7 Home Premium 64 Bit
 
 

Quote   Quote: Originally Posted by NoelDP View Post
The fixit apparently repairs the MSI registration - which means that it checks all the dll files involved with the MSISERVER service and ensures that they and their associated registry entries are correct, as well as checking the registry entries for the service itself.
Thanks very much. Your explanation is a great help.

I may never know if that Fixit actually made any difference. I installed a number of updates in stages and the first group installed without problem. One of the help files said that updates can fail for a variety of reasons including not being able to download the updates at that particular time.

It's a help that Windows Seven somehow identifies specific Fixit programs to try when problems occur. It would be interesting to know how they determine the exact one that is recommended.
My System SpecsSystem Spec
13 Jun 2014   #6
Electron

Windows 7 Home Premium 64 Bit
 
 

I should add that Microsoft Fixit 50123 is the Windows Update Troubleshooter and is referenced on the page where you review your Update History.

There is a link called "Troubleshoot Problems with Installing Updates". If you click on the link you can download the tool which is also referred to as their Automatic Troubleshooter.
My System SpecsSystem Spec
13 Jun 2014   #7
NoelDP

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
 
 

There are an immense number of things that can prevent a Windows Update from installing - the wonder is that it doesn't happen more often!

Nowadays there are a lot of Fixits from MS - and there's a lot of manual assistane available from sites like this.

There are also a LOT of bogus sites offering quick-fix solutions, which are really nothing more than a come-on to purchase registry cleaners which (to put it in a nutshell) make the problem worse rather than better.
My System SpecsSystem Spec
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 What Does Microsoft Fixit 50123 Actually Do?




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