There is one simple solution to the Videos. For the ones that are so concerned with receiving Pop Ups then wait for another Member to Download the Video and then it can be Re-Uploaded using Mab.to, Zippy Share or SendVid. I don't think another Member Downloading a Video would have an issue Re-Uploading it using one of those Sites I mentioned. With todays Internet Speeds it's not a Time Consuming Process.
How a Member choses to Upload their Videos is solely upon what they are comfortable with using. Going after the Member despising their choice of Upload Service only chases the Member off the Forum and likely won't upload any further Videos. This has to stop. A Member is nice enough to Upload Videos they should not have to be chastised for their efforts.
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I myself use Internet Explorer and Internet Download Manager. The Pop Up Blocker in Internet Options is set to High and No Pop Ups get through. Click the Video Screen and the Download Manager Panel comes into view to Download the Video there is no other pages it takes you to and keeps on the same screen. For ones that don't have a Download Manager then a notice shows on the Bottom of the Page where the Video can be saved to a Destination I do not use any Spyware Programs or Ad-Blockers as they are not of any use to me.
The odd time I get this Security Alert from Microsoft but it's not from Microsoft. It's just a Web Page that places an mp3 file in your Temp Folder and that's where the Voice Recorded Message is played from telling you your Computer is Infected with Malware and/or Spyware. It's just a Hoax of someone trying to Scam peoples Money. After I get the URL form the Site that has those Pages I place them in Internet Options/Security/ Restricted Sites then those pages are no longer a problem.