Sense blocking pop up windows

Hi,
when I open for example https://www.cosstores.com/gb/Women/New then Sense blocks pop up windows.
Expected behavior is - when clicking on any product picture then pop up window should open with more specific data about product.
Actual behavior - no pop up windows opening. Nor any rror messages presened. Nor anything visible in Sense App. I've added 'webpage exception' for cosstore.com domain, but no help.
I have two wifi networks at my home. Sense blocks pop up windows, my local telco provided standard solution works as expected.
Any ideas?
Comments
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https://www.f-secure.com/en/web/labs_global/submit-a-sample#sample-url
Submit all blocked urls via this submit form for re-analysis, also input your email and other info plus refer to this forum post, so they van better help you.