If you are seeing an error that looks like this when importing Cart32 clients from Access to MySQL or when using Cart32 with MySQL:
[Microsoft][ODBC Driver Manager] Function sequence error
Then you need to update a file called myodbc.dll. That file is located in the winntsystem32 directory.
You can download the latest MyODBC installation from:
Then stop MySQL and IIS and run the MyODBC setup and then restart IIS and MySQL.