Try windows Updates
Or you can recreate the user profiles.
I have solved the issue by these two methods. Use any of them
Windows Search
i can't open control panel from my windows search , and few others apps also , it shows in windows search but when i click on it nothing happend, a notifiaction pop up that the item is unnaviable.
Windows for business | Windows Client for IT Pros | Devices and deployment | Set up, install, or upgrade
Windows for business | Windows Client for IT Pros | User experience | Other
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Bhanu Setty 1 Reputation point
2021-07-23T10:08:17.18+00:00 -
Teemo Tang 11,581 Reputation points2021-07-23T01:18:17.81+00:00 Try to create a new local admin account then test search box and control panel again.
According to your description, search box and start menu should have trouble, this phenomenon usually has something to do with user profile, create a new account and migrate data is a common method.
If you still couldn’t open app or Control Panel on other account, you need to execute a in-place upgrade to fix system issue, please download a clean Windows 10 ISO file from media creation tool, then use it to upgrade current system. Media creation tool can be downloaded from Microsoft website.
https://www.microsoft.com/en-us/software-download/windows10-------------------------------------------------------------------------------------
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