Problem upgrading Teradata ODBC drivers from v6 -->; v12
I used to get this error while installing the Teradata ICU libraries v12
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Shared ICU Libraries for Teradata
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Error applying transforms. Verify that the specified transform paths are valid.
C:\WINDOWS\Installer\{8AFBC2EB-BB17-43C8-8AE0-5B7961A4A217}\1033.mst
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OK
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So I found a similar issue here http://support.microsoft.com/kb/299699 and I decided to remove the Teradata ICU reference using Windows Installer Cleaner http://support.microsoft.com/kb/290301
That seems to have resolved my problem, and this is why I shared it :)