Try Command prompt and type in ipconfig /flushdns and press enter on the keypad.
It should tell you that the DNS cache has been cleared.if so so if it makes any difference.
Check that you have the latest flash player and java updates installed.
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?