![]() Then, open an elevated command prompt and run the following command: Console Copy tasklist /m wmiperfclass.dll The list of WmiPrvSE.exe processes that have this module loaded will be displayed. ![]() In a matter of seconds, the server CPU and memory usage were down and all my websites were back online.īefore running that clean-up command again I am wondering if anybody around knows what happened and what to do to prevent it? Right now everything is running smoothly. What is TiWorker.exe The TiWorker.exe is also known as Windows Module Installer Worker and it manages the addition and removal of Windows System Updates and other files. I used a third-party process monitor and found that there is one process called TiWorker.exe which is using 40 -60 CPU usage. When the issue occurs, use Task Manager to identify the process identifier (PID) of the WmiPrvSE.exe process thats consuming high CPU. ![]() What the heck are you going to ask? Well, I indeed waited for 3 hours hoping that TiWorker.exe would end up gracefully but no, it didn't, and I had to kill it. CPU and memory raised to 100% and as a consequence of this, the SQL Server engine couldn't run properly and therefore all my websites connecting to that server went down (and the phone started ringing).Īfter a short investigation I found out that the CPU and memory usage was up to 100%, this was caused by a process called TiWorker.exe consuming all resources 1] 1. Basically, it manages the installation and removal of Windows system updates and other components. Not only hardly anything was deleted but it stalled my server. If there are any updates happening or if the computer is scanning for any update release, this system process may use resources on your computer, the reason. TiWorker.exe: CPU usage reaches 50 or 100 in Windows 10 Fix TiWorker issue. ![]() This is one of the critical process included on in Microsoft Services and must not be mistaken for any malware issues. Monitor for newly executed processes that may be indicative of credential dumping. The TiWorker system process is related to Windows Update. I thought that running an apparently harmless Clean-up command, the one included in the Administrative Tools, on my Windows Server 2016 would be a piece of cake and it turned out to be a complete mess. On Windows 10, enable Attack Surface Reduction (ASR) rules to secure. ![]()
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