SlimerJS will no longer load captcha after Windows 10 update KB4343902 I'm 90% sure this is what broke the captcha because it was working early in the morning. Then I got a notification to update windows. After the update, captcha no longer worked. I made no other changes to my PC between these events. From log file: Thu Aug 16 18:40:40 EDT 2018 SEVERE: java.io.IOException: ReCaptcha (by Expander - FreeRapid Downloader - General