Sounds like you have been hoaxed into downloading a virus! Try running all your AntiVirus/Malware programs. If that doesn't sort it, try going back in System Restore to a point before you downloaded the upgrade.
Surface Pro 5 News - release date, UK price, features, specs
Animator Emanuele Kabu’s psychedelic video is a stunning tribute to Lisbon city
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Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.