Upd: Recdiag.dll
: Viruses or malicious software may delete or overwrite the file to disrupt system operations.
Ensure you are running the latest Service Packs or Fix Packs provided by Tungsten Automation Antivirus Blocking: recdiag.dll
If SFC fails (e.g., says “Windows Resource Protection could not perform the requested operation”), manually copy the file: : Viruses or malicious software may delete or

