If Shell Infrastructure Host or Sihost.exe uses high Power, CPU and Memory on Windows 11/10 PC, you can follow these suggestions to resolve the issue. At times, this service or process may consume more resources than usual on your computer due to some internal reasons.

To fix Shell Infrastructure Host (Sihost.exe) high Power, CPU and Memory usage in Windows 11/10, follow these steps:

1] Restart your computer

2] Restart Shell Infrastructure Host process

3] Scan PC with anti-adware and anti-malware tool

4] Run System Maintenance Troubleshooter

5] Reinstall Microsoft Redistributable Packages

6] Reinstall Photos app

7] Run SFC to repair this single file

Learn more on https://www.thewindowsclub.com/shell-infrastructure-host-high-cpu-and-memory-usage

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