CHM OwnerGuard is the ultimate Digital Rights Managemet (DRM), Security, Copy Protection, Licensing, Watermarking and Distribution Management solution for Microsoft Compiled HTML Help Documents (CHM) Brief Features * Lock your CHM Documents to specific computer(s). * Protect your CHM Documents from decompilation and illegal distributions. * Define High Security Expiration Dates or Working Times for your drm protected CHM Documents * Control and apply all required limitations for your users using a very small user side DRM manager ( OwnerGuard License Manager ).