Hi, Bruce,
Both Purchase Orders 8.1A and earlier version run the IR.exe program within the POWIN folder.
If Purchase Orders 8.1A was installed to the same path/folder as the original PO installation (eg. x:\Softrak\POWIN), it should have overwritten the original Purple version.
If Purchase Order 8.0A or earlier is installed to a different path than PO8.1A, you should be able to use its uninstall it using the Windows Control Panel Add/Remove Programs program. Then you'll need to remove any residual folder. If you are uncertain about doing this at all, it might be an idea to contact your Adagio consultant.
The drop down menus from withn other Adagio modules will point to the version of PO that exists in the same folder path as they do (eg. if they are installed to x:\Softrak\yywin, they will point to x:\Softrak\POWIN. There really is no way to make the various modules display in alpha order.
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Regards,
Softrak Tech Support