Why did avast take £50 from my bank account without my consent or knowlege ??? when i have the free software .i have tried to get my money back but i have still not recived it…25th june they took it …i have rang them loads of times but still havnt got my money back .can anyone help me please?
This looks like a Auto Renewal for a product purchased (or Trial) at some time.
In any case See if this helps, Submit Refund Request.
(Submit only once as as further submissions will put you at the back again.)
https://support.avast.com/en-us 
Be patient as resolution can take 10 business days. Also