This issue can sometimes occur with Final Draft 9.
- Close Final Draft;
- Open the Windows Start menu and locate the Final Draft shortcut;
- Right-click on the Final Draft shortcut;
- Choose Run As Administrator (this may be in the More submenu).
When Final Draft opens you should be able to save your script as a PDF without any further problems.
NOTE: Activation service for Final Draft 9 has been discontinued and this version of Final Draft is no longer activatable (or re-activatable) to run in full mode on any computer. The program will continue to work but only on a computer that is already activated and only if nothing is done to the computer that will deactivate it (such as an OS upgrade or a replacement hard drive).
Technical support (phone, chat and email) for Final Draft 9 and older is no longer available.