Task Lock provides a simple and effective way to password protect specified applications for Windows no matter how they are executed. Its security is easy to configure and requires little to no modifications to your current system configuration. Administrator functions are enabled for site licenses.
This software is a shareware. You will be able to download and test Windows Task Lock during a certain period of time, then, if it does what you need, you will have to acquire the full version from Windows Task Lock publisher. The Windows Task Lock 6.3 free trial version contains an installer and an uninstaller, and has a size of 1232 Kilobytes.
For additional information and support request, please contact directly Windows Task Lock publisher.

Windows Task Lock Screenshot