• Restart your computer.
• Clean the unwanted files from your computer.
• Use a 3rd party Antivirus software and remove all the virus and malware.
• Reinstall QuickBooks File Doctor software, if any of the above-given steps doesn’t work.
These steps will definitely solve the problem. But if you find it a little bit confusing, then dial the QuickBooks customer support number and get help.
Read more – https://www.quickbooks-file-doctor.com/