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Recaptcha only shows in safe mode

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I've been using Firefox for a long time and I've kept it pretty vanilla. Today, I tried to logon to a website and it requires Recaptcha. When I opened the page, the recaptcha box didn't appear.

In regular mode, the Recaptcha box doesn't appear. When I use Firefox in safe mode, it shows and works properly.

I'm using Windows 10 and Firefox 63.0 (32-bit). I tried this in a private window with the same results, that Recaptcha doesn't appear.

Chrome and Edge works as expected. Firefox Android works perfectly.

The only add-ons I'm using are for downloading Youtube videos and converting/splitting them. Media Converter and Muxer, yD YouTube and Video and Audio Downloader.

I've been using Firefox for a long time and I've kept it pretty vanilla. Today, I tried to logon to a website and it requires Recaptcha. When I opened the page, the recaptcha box didn't appear. In regular mode, the Recaptcha box doesn't appear. When I use Firefox in safe mode, it shows and works properly. I'm using Windows 10 and Firefox 63.0 (32-bit). I tried this in a private window with the same results, that Recaptcha doesn't appear. Chrome and Edge works as expected. Firefox Android works perfectly. The only add-ons I'm using are for downloading Youtube videos and converting/splitting them. Media Converter and Muxer, yD YouTube and Video and Audio Downloader.

Modified by KeithRoberts

Chosen solution

Ok, I was able to resolve the problem. I had three add-ons, yD YouTube Downloader, Media Converter and Muxer, and McAfee WebAdvisor.

I disabled each one and restart Firefox. It turns out that the problem is being caused by McAfee WebAdvisor. I disabled this add-on and Recaptcha started working.

This is strange as it worked perfectly until now.

Read this answer in context 👍 1

All Replies (3)

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Chosen Solution

Ok, I was able to resolve the problem. I had three add-ons, yD YouTube Downloader, Media Converter and Muxer, and McAfee WebAdvisor.

I disabled each one and restart Firefox. It turns out that the problem is being caused by McAfee WebAdvisor. I disabled this add-on and Recaptcha started working.

This is strange as it worked perfectly until now.

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That was very good work. Well done. Please flag your last post as Solved Problem so others will know.

Check with McAfee support on this.