Error 0×80070057occurs due to:
Damaged or corrupted registry
Missing or damaged DLL files
Accidental deletion of critical system files
Use an updated AntiVirus and a registry repair tool to fix this error.
Thank you for your prompt response. However, I am using a free edition of AVG antivirus. Do you have any suggestions on an updated antivirus and a registry repair tool to fix these errors?Thanks again!