Have you noticed that "Service Host: Windows Event Log" or "svchost.exe" is using up a lot of CPU on your computer? That particular process might be experiencing issues, or your Windows operating system might be bugged. There are ways to reduce the CPU usage of this process on your Windows 11 or Windows 10 PC, and we'll show you how to do it.
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Other reasons for the above processes not working properly are that your PC is infected with a virus or malware, your system files are corrupted, a third-party app is causing the issue, and more.
When the Windows Event Log process is using too much CPU, restart the process. This will fix the minor issues with the process, which will solve your problem.
If a virus or malware has infected your Windows PC, it could be the reason why a specific update is using so much CPU. In that case, run a full antivirus scan on your PC to find and remove threats.