No, trial version offers exactly the same functionality as registered version. Please try before you buy, to make sure your hardware is compatible with PDF Shaper.
Most often this is due to spam filters or anti-virus programs. It is rare that an anti-virus program will block your license key, but some systems have blocked our emails as "junk" email. In this case you will need to contact us with an alternate email address.
As soon as your payment is received, your license key is sent to you by email immediately. You can download the latest trial version from the download section and use your license key to unlock it.
Each license allows one year of free upgrades beginning from the date of purchase. After this year, you should contact us to receive a special upgrade offer, or continue to use the last working version. The version does not expire after one year.
The settings are stored in the INI file placed in the Application Data directory (e.g., C:\Documents and Settings\USER_NAME\Application Data\pdfshaper.ini).
Make sure that you closed PDF Shaper and all its modules, click Start and select All Programs -> PDF Shaper -> Uninstall PDF Shaper.