There's one explanation that seems increasingly likely in face of the absolute silence from TV support on the issue and that I haven't seen mentioned anywhere: TeamViewer may be mining cryptocurrencies in people's computers. That would easily explain why reports of this problem began about a year ago, at the height of the crypto bubble, and why no combination of measures seems to fix the issue for good. The software is likely programmed to start mining after a certain number of hours of uptime so as to avoid raising suspicion, which also explains why killing the service yields temporary results. Notice that the reports talk about 10-20% usage in high-end CPUs and up to 100% in slower processors, which fits quite well TV running a fixed number of hashes for mining, taxing different CPUs at different percentages. I mean, if it were some sort of coding error or legit new feature, you'd expect TV to be all over it and respond to the numerous threads on the issue, not to mention having fixed it by now, but they've kept absolutely quiet and have failed to reply to tickets addressing the problem. In other words: It's not a bug, it's a feature to maliciously explore customers' processing power for extra profit. By now, I see no other possible explanation except extreme incompetence. Whatever the true reason is, I'm just not running TV in the background anymore, which, as others have said, defeats its purpose. I'll switch to another remote desktop software as soon as possible and will gladly accept suggestions of reliable, trustworthy names.
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