I have renewed for the new tax year but when I enter my licence codes nothing happens. ABS-105

Absolute clientbase  

This suggests you have not installed the new year tax update to include the new forms.

To do this close Absolute and run www.absolutetax.co.uk/install/aall.exe.

Alternatively from within the software select the last icon along the top for Internet Update. This will close the software and when the update window opens click install all. You do not need to rekey your licence codes.