system
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Hi Feedback, welcome to the forum 
Please can you modify the link, to prevent others potentially becoming infected. (change http to hXXp) Thanks.
I get redirected to a maintenance page, and it seems that avast is alerting on the script highlighted in the image.
Not sure on the detection of that script, I would need someone from avast to comment. (I personally think that it may be a FP, but avast also blocks with the network shield so there may be more to it…)
Scott