If you are upgrading from an older version, it is highly recommended to completely remove previous ATI or AVerMedia drivers from your system to avoid conflicts.
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The most stable version for this series (30x/50x) is typically Ver. 5.5.0.16 . You can find the full application and driver package (approx. 19.5 MB) on archival and vendor support sites such as ELST Company . If you are upgrading from an older version,
AVerMedia®: драйверы и утилиты - :: ELST COMPANY :: avertv 507 skachat programmu
Note that this hardware is older. While some users have successfully used version 6.x software on newer systems, it can be unstable. For automated detection on modern PCs, the AVerMedia Assist Central tool can sometimes help identify compatible legacy components.