Repairing Windows Installer

I think my Windows Installer is corrupt and I need to repair it.  I cannot get any programme to install.  I contacted support for a software product that I was looking to install and they suggested that I download and install this.


It seems to be a very old version and also I don't see any mention of Windows 7 x64

Can someone help please

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That seems to be the right version.

You could also try the suggestions described at the following page: >

Alternatively, you could try a repair install of Windows 7 (using your Windows 7 DVD).
☠ MASQ ☠Commented:
v4.5 is the current version but if you can't get ANY program to install this might be a bigger issue.  Check for any virus/malware using latest definitions.  Conversely however some programs are blocked from installing because the locations they want to write to are protected by Windows or your Antivirus/security software!

This M$ FixIt mends a few of the common registry bugs that break Installer

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Mike TLeading EngineerCommented:

I think my Windows Installer is corrupt and I need to repair it.  I cannot get any programme to install.
What other software have you tried to install?

Installer 4.5 is not the latest you can get. For the list see here:
but 4.5 is the last version you can download.
The Windows Installer 5.0 is part of the Windows Server 2012, Windows 8, Windows Server 2008 R2, and Windows 7. There is no redistributable for Windows Installer 5.0.

Please explain the exact problem for us, stating:
What OS you have? (Windows 7 x64 but what flavour?)
What software are trying to install?
What is the exact error message you get?
What other software you tried to install?
Did you get the same error message or a different one?
What does it say in the eventlog?

amacfarlAuthor Commented:
Apologies the delayed response.  Been on holiday.    I have found that there is a bigger issue and it is not the case that the installer is not working.  The issue is on the registry.  Thanks for your help
amacfarlAuthor Commented:
It was correct... bigger issue.
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