“High Disk Usage by Modern Setup Host” error on Windows 10 or the “Modern Setup Host has Stopped Working” is a common error reported by the users these days and this occurs while you are installing Windows updates on your system. In such a scenario, it is recommended to wait for a minimum of 3 to 4 hours allowing the Modern Setup host to run before you end the process.
But, if the problem still persists, you can try the below fixes. Let’s see how.
Method 1: Through the Settings App
Step 1: Navigate to Start, click on it and select Settings (gear icon) from the context menu.
Step 2: In the Settings window, click on System.
Step 3: Next, in the System window, on the left side of the pane, click on Notifications & actions.
Step 4: On the right side of the pane, under the Get notifications from apps and other senders section, go to Get tips, tricks and suggestions as you use Windows and uncheck the box next to it.
Step 5: Now, go back to Settings home and click on Personalization.
Step 6: On the left side of the pane, click on Start.
Step 7: Now, on the right side of the pane, go to Show suggestions occasionally in Start options and turn it off.
Step 8: Now, go back again to Settings home and select Privacy.
Step 9: In the next window, on the left side of the pane, find and click on Background apps.
Step 10: On the right side of the pane, under Select which apps run in the background apps, turn off the apps that you do not use at all.
Now, close the settings window and restart your computer. You should not see the error anymore. But, if you are still seeing the error, follow the 2nd method.
Method 2: Through Indexing Options
Step 1: Right-click on Start and select Run from the context menu.
Step 2: In the Run command box, type control.exe srchadmin.dll and hit Enter.
Step 3: It opens the Indexing Options window. Click on Modify.
Step 4: Next, in the Indexed Locations dialogue box, under the Change selected locations sections, uncheck all the options.
Press OK to save the changes and exit.
*Note – Make a note of it so that you can turn the options back ON at a later date if need arises.
Now, simply restart your system and the error should be gone from your Windows 10 system.