The 'Shell Infrastructure Host' process, known as sihost.exe, manages visual elements of the operating system like desktop background and taskbar appearance.
In normal circumstances, it runs in the background with low resource consumption, but issues can cause high CPU and RAM usage.
1. Restarting your computer can help resolve high CPU and RAM usage issues caused by Shell Infrastructure Host.
2. Running the System Maintenance Troubleshooter can also address CPU and Memory usage problems related to sihost.exe.
3. Check for third-party software conflicts by booting into safe mode and removing suspicious programs from the Control Panel or Task Manager.
4. Repair or reset the Microsoft Photos app if it triggers high CPU usage by Shell Infrastructure Host.
5. Perform a full antimalware scan using Windows Defender to eliminate any malware causing high CPU usage.
6. Running the SFC and DISM commands can help fix 'Shell Infrastructure Host' high CPU usage due to corrupted system files.
7. Perform a clean boot to identify and remove conflicting third-party apps causing high CPU usage by Shell Infrastructure Host.
8. Update your Windows OS to potentially resolve bugs that may be affecting the Shell Infrastructure Host process.