How does this link manifest?

Can you attach a screenshot?

• https://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem
• use a compressed image type like PNG or JPG to save the screenshot

Did you try Safe Mode?

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is causing the problem.

• switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Appearance
• do NOT click the "Refresh Firefox" button on the Safe Mode start window

• https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
• https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems

Did you check the history (History -> Show All History)?

I cannot create a PNG, JPG. Your upload refuses to accept DOC, XML, DOCX.

Image supplied.

Did you try Firefox Safe Mode?

When do you get this page? When you open the home page or a new tab or something different?

Did you search the about:config page for this domain? Did you check the search engines (about:preferences -> Search)?

In "safe mode", addons disabled. It does NOT show up. Next recommendation?

Both; about:config about:preferences

search for rspark returns blank (nothing found)

When I open the browser, and "any new tab", I get this rspark.com redirect immediately shows up. Safe Mode has disabled it, though. But where is it hiding?

Let me rephrase this. When I first open up the browser, it shows up. When I open a new tab, it shows up. I've disabled ALL search engines, except Google. I have Google.com as the default "home page", however this redirect takes over, every time.

If I click the "home" icon, Google.com does finally show up, but the page is first redirected when the browser or tab is opened

Looks like this extension is the culprit:

• https://addons.mozilla.org/en-US/firefox/addon/hd-youtube-downloader/

2-TO CHANGE TAB PAGE Open addon options and select Use None, it will stop opening search.rspark tab page.

I found it !!! Located in: "COOKIES" Every time the cookies were read, it read and executed about 6 "rspark.com" cookies, one of which redirected and executed that page. I'd love to figure out which "extension" or "addon" added it. Thank you for your assistance. If it ever comes back, I'll try to figure out which extension or addon caused it, and let you know. If you find out, please let me know, as well.

Did you missed by above reply where I mentioned the extension that causes this?

• https://support.mozilla.org/en-US/questions/1195303#answer-1051582

HD Youtube Downloader 3.2.1

• https://addons.mozilla.org/en-US/firefox/addon/hd-youtube-downloader/