When I press Email nothing happens OR I get an error message
When first installed, SliQ Invoicing sends emails using your default email program, e.g. Microsoft Outlook or Microsoft Outlook Express, using a standard Windows service called Simple MAPI.
If you press an Email button in SliQ and nothing happens OR you get a message indicating that a MAPI Send error has occurred, the most likely problem is that your default email program has not been set up properly in Windows.
Note: You may have been able to send email OK using your email client but there may still be setup problems on your PC preventing SliQ from sending emails.
The instructions for making sure your email program is correctly set as the default on your PC depend on the version of Windows you are using. Try following the instructions in these articles, then close SliQ, reopen and try sending again.