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Cannot uninstall as old MSI is not around anymore

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Cannot uninstall as old MSI is not around anymore

Postby ChristenFihl » Tue Jun 22, 2010 11:06 pm

Cannot uninstall as old MSI is not around anymore (uninstalling 6.0.13.3)

Then I cannot install new version :?

So how to uninstall without that MSI?

It tells me to locate PicoScope6.msi, last seen in C:\Temp\{B99FD0AD-77EB-4511-B5DE-EC5F7BC3CBFD}\

PS: I never keep those temp files so I am sure it has been removed long time ago. Such a file should be keep within the Programfiles itself then.

Christen Fihl
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Re: Cannot uninstall as old MSI is not around anymore

Postby markB » Thu Jul 15, 2010 1:43 pm

Hi Christian

As the installation cache has been removed it is not possible to uninstall PicoScope. However, it is possible to remove the installation from the MSI database to allow you to install a later version of PicoScope. The later version should overwrite the old application, drivers, etc so there is no need to go deleting anything else on the system.

In order to remove PicoScope from the MSI data you will need to use MsiZap. We are not authorised to redistribute this utility but the following link will give you some instructions and download links.

http://msdn.microsoft.com/en-us/library/aa370523%28VS.85%29.aspx

The product code is as you previously posted, B99FD0AD-77EB-4511-B5DE-EC5F7BC3CBFD. This will be different for other versions of PicoScope. You will need to use the following command:

msizap /tw {B99FD0AD-77EB-4511-B5DE-EC5F7BC3CBFD}
Regards

Mark
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