How to Mend QuickBooks Error Code C=51? from Alex Nelson's blog

QuickBooks Companies have been bothering users in recent times and many users have been looking for effective solutions to fix these issues in QuickBooks. One such error is QuickBooks Error code C51. This company file error is generally caused due to missing of txList in the lists of txLists. While this is the major cause, it might not be the only cause. Damaged company file, Deleted company files, system issues, and other causes cannot be overlooked. This blog shall take you though the various strategies to fix QuickBooks Error code C51.

Perform the fixes mentioned in this section to oust QuickBooks error C51 from the system.

Method 1: Quit and Run QuickBooks as an admin

Method 2:Restore the Company file Backup 

Method 3: Remove the temporary files

Method 4: Use verify and Rebuild Tool

Method 5:Update QB 

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