Download WhatsApp Bulk Sender

Solution 1: Click "More info" and then click "Run anyway" to open WASender.

Solution 2: Open Windows Settings > Update & Security > Windows Security > App & browser control, then turn off the three SmartScreen settings and open WASender again.

Solution 1: Hold the Control key and click the WASender icon, then choose Open.

Solution 2: Click the question mark [?], open Privacy & Security settings, then click "Open Anyway" to launch WASender.