While a legitimate component of Infragistics, any DLL can be mimicked by malware. Always ensure the file is located in a trusted application's subfolder rather than a generic system folder like C:\Windows\System32 , unless specifically required by the vendor.
from the Microsoft Store can scan your system and attempt to restore missing components. Official Support
Here is everything you need to know about edtgripdll , how to diagnose it, and what to do if it is causing problems.