Hello, and thanks for your reply. This is the output from the terminal: fixme:advapi:LookupAccountNameW (null) L"craig" (nil) 0x33f7fc (nil) 0x33f800 0x33f7f4 - stub fixme:advapi:LookupAccountNameW (null) L"craig" 0x12adc8 0x33f7fc 0x12f458 0x33f800 0x33f7f4 - stub err:msi:call_script Could not find CLSID for Windows Script err:msi:call_script Could not find CLSID for Windows Script err:msi:call_script Could not find CLSID for Windows Script fixme:msi:msi_unimplemented_action_stub MigrateFeatureStates -> 3 ignored L"Upgrade" table values err:msi:ITERATE_Actions Execution halted, action L"InstallWelcome" returned 1602 This is running on Ubuntu 8.4, and it is version 1.0 of Wine. I have made no customisations to the Wine install. However I did install the .net 1.1 framework as the software required that. (that installation worked OK).