Installation & License menu View All List Installation & License Payment Error Inquiry [B2BG] How is the license expiration date calculated when purchasing two or more licenses? A window that SmartScreen can’t be reached right now appears. What should I do? 'Abnormal access' error message appears when a license key is registered. How to check whether your PC operating system is 32bit or 64bit E-mail error message when registering a license or coupon My email address has changed and what should I do? I have activated my license, but after I reinstalled OS, the program runs as the free version. Can I use a license in multiple PCs? I lost my License Key. How can I find it? How do I register for a coupon? How can I register my license? 1