The official CD drivers are often from 2015–2017, signed with SHA-1 certificates that Windows 10 rejects by default. A proper repack injects the necessary SHA-2 signatures or uses a workaround installer.
You downloaded a 32-bit repack for a 64-bit OS (or vice versa). Fix: Verify your Windows version (Settings > System > About). Download an explicit 64-bit repack. astrum webcam driver for windows 10 repack