ISP HAS BLOCKED YOUR PC bogus alerts are are possibly brought about by an ad-supported application or a suspicious web page you were on redirected you. These tech-support scams are just trying to fool you, everything they state is fake, unless the problem is entirely unrelated. If you are dealing with adware , it wouldn't be surprising if the alerts were pretty intrusive and popped up over and over again. An ad-supported software can usually be installed accidentally, when you install freeware. No need to worry about the warnings somehow harming your system, and as long as you do not call the alleged tech support, you will be fine. The reason calling them would be a mistake is because they would try to fool you out of a lot of money, or some malicious program could be installed. Not only should you never call the numbers in these dubious adverts, you should be cautious about who you give remote access to your computer. And if you're still worried about the pop-up you are getting, it is false, and neither your computer nor your information is in danger. The advertisements will only stop popping when you terminate ISP HAS BLOCKED YOUR PC, so the sooner you do that, the better.
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