Can I Disable Microsoft Windows Search Protocol Host?

To stop this prompt, open Control Panel > Mail (Microsoft Outlook 2016) (32-bit), select the older mail profile that matches the account listed in the Search Protocol Host credential dialog window, and click Remove, then click OK.

Do I need Microsoft Windows Search protocol host?

SearchProtocolHost.exe is part of the Windows Indexing Service, an application that indexes files on the local drive making them easier to search. This is a crucial part of the Windows operating system and should not be disabled or removed.

Is it OK to disable Windows Search?

If you really don’t use Windows Search at all, you can disable indexing completely by turning off the Windows Search service. This will stop the indexing of all files. You’ll still have access to search, of course. It will just take longer since it has to search through your files every time.