The reason why I encountered a similar problem is because I was hit by a Trojan horse, first I used 360 to thoroughly check and then I used 360 to repair the lsp repair tool in the advanced toolset, and then I reopened the machine to get an error message, don't worry about it, and that's it.

To mention a few, I encountered the Baidu home page link after clicking on the unresponsive, potatoes and so on half a year did not broadcast.