I have two Windows 10 laptops that have the same problem. One has had it for approximately a week now and the second just started displaying the same error.and that happened after it had the latest Windows updates applied.
Multiple instances (dozens) of conhost.exe running. Windows 7 Pro (32-bit) I've seen a lot of users referring to this but never really getting anywhere toward keeping. Even though you don't have any console windows open, this is likely just a console window on another desktop or a zombie process that you're seeing - in normal Windows operation, conhost.exe is always started from csrss.exe which is a SYSTEM process - and this is the case in your picture which suggests that the conhost.exes are genuine.
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The second laptop is not alwayspowered on and started displaying the error after it received the last batch of automatic updates.The second laptop did not receive any other updates. I read on this discussion board that someone had examined the log file for this error message and the problem may be related to PC-Matic, which I do have installed.
I therefore turned this in to PC-Pitstop support, and I got the following confirmation emailback from them:Thank you for contacting PC Pitstop Customer Service.Those messages are harmless.We are aware of the conhost error message issue and are currently working towards a solution.Thank you for your patience while we resolve this problem.Doug BenderTechnical SupportPC Pitstop LLCSo it would seem that if you are running PC-Matic anti-mailware, then it may be the culprit for this latest conhost.exe problem.
Apr 02, 2017 This guide teaches you how to remove Console Window Host Miner (conhost.exe) for free by following easy step-by-step instructions. The Conhost Miner is a.