Had a strange problem with a machine at work failing to do a clean install of the latest version (v6.01.223) of Iris Exchequer (Pervasive edition) running on Windows XP… Windows reported the installer as not responding in its final stages and it crashed out.
Running the installer to upgrade other machines to the latest worked fine, but I couldn’t get it to clean install. Couldn’t find any support for this on the internet but after some investigation it turns out those ‘final stages’ are making changes to the registry — the solution it turns out is to manually override the permissions of the Exchequer registry key in HKLM and give all users full access. (Run regsvr, browse to HKEY_LocalMachine->Software->Exchequer, right click->Permissions).
