"Portable" versions of CorelDRAW found online are often of the software. CorelDRAW X4 System Requirements - Corel Technical Support
When X4 launched, Windows Vista and Windows XP (64-bit beta) were the norms. Windows 10’s kernel architecture and security protocols (like User Account Control and Driver Signature Enforcement) are vastly different. Coreldraw X4 Portable Windows 10 64 Bit