Possible damage in the company files can result in the occurrence of Quickbooks error 6000, 301. Reasons for the occurrence of Quickbooks error 6000, 301 are: Company file is damaged. Transaction log file is damaged. Antivirus might block the company file. Ways to resolve Quickbooks error 6000, 301 are: Solution 1: Updating Quickbooks. Open Help menu. Go to the Update Quickbooks tab. Click...