Microsoft officially disabled and blocked secdrv.sys starting with Windows 10 because the driver creates massive security vulnerabilities that hackers can exploit.
Simply removing the CD requirement is often not enough to make the game playable on modern monitors and graphics cards. The SimCity 3000 Resolution Patcher is a verified tool that addresses these issues, but it has a direct dependency on the No-CD patch. simcity 3000 no cd patch verified
Have you used this patch successfully? Verified a different version? Join the discussion on the SimCity Preservation Discord (invite code: SC3K-VERIFIED). Microsoft officially disabled and blocked secdrv