Since these links are frequently taken down, keep a list of three or four alternative "reflect" mirrors to ensure you always have a backup. Why "Free" and "Updated" Matters
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| Error Message | Cause | Proxy Fix | | :--- | :--- | :--- | | "Failed to establish connection" | Proxy IP/Port wrong | Double-check netsh winhttp show proxy in CMD | | "HTTP 407 Proxy Authentication Required" | Missing login credentials | Enable authentication in Reflect 4 settings | | "Connection timed out" | Proxy is blocking *.avanset.com | Ask IT to whitelist update.avanset.com | | "Invalid license for update" | Not a proxy issue; license expired | Purchase renewal for major updates | reflect 4 proxy free upd