Yes. CrypKey products can be utilized if you install your executable from a CD/DVD to your hard drive or if your executable remains resident on the CD/DVD . In the latter case, the problem that arises concerns the inability of CrypKey to write its license files, which are created dynamically to the read-only CD/DVD. Circumvent this issue by storing CrypKey license files on your hard drive. CrypKey stores license files where you specify.