Windows 10: The Settings App Does Not Open or Flashes and Closes ... - Dell
https://www.dell.com/support/kbdoc/en-us/000126569/windows-10-the-settings-app-does-not-open-or-flashes-and-closes-instantaneously
WEBJul 28, 2023 · If you still cannot open Settings, go to the next step. Run a System File Check on your operating system. Open command prompt or PowerShell with administrator rights, type sfc /scannow, and then press Enter. Once the file check completes, attempt to open Settings. Download and run the Windows Update Troubleshooter.
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