Read this. This tells you what you get Extra. surprisingly, it's not that much. Other than the Pop-Up Screen not displaying, you'll be able to run Programs in multiple Sandboxes.
Personally, I think it's worth every Dime, once you get to know how to use it.
You can use the Trial Version as long as you want. I've never seen the Pop-Up you're talking about. You'd have to copy the Message word for word here to get a precise answer.
http://www.sandboxie.com/index.php?RegisterSandboxie
* Is personal and is not transferable into computers or electronic media that you do not own;
* But does permit you to use Sandboxie on any number of computers that you personally own;
* Covers the current version and all future versions of Sandboxie;
* Removes the nag screen that initially appears after you have used Sandboxie for more than 30 days;
* Enables the Forced Programs and Forced Folders features;
* Allows you to run programs in more than one sandbox at the same time (see message SBIE1303);
* But does not entitle you to any guaranteed level of technical support.
* All of the above applies to both the lifetime and limited-time licenses.
* Price excludes VAT for European customers.
* Price in USD and other currencies varies according to Euro conversion rate. Please enter the online store to see the actual price.
Ken:
