C42
When attempting to start QuickBooks in Microsoft Windows XP, one of these errors occurs:
Unexpected Error: An error has occurred in QuickBooks. Please restart QuickBooks and try again. If you continue to experience this error, please note the C= value and contact technical support. C42. Unexpected Error: An error has occurred in QuickBooks. C42. QuickBooks has encountered a problem and needs to close. QBW32: This program has performed an illegal operation and will be shut down. If the problem persists, contact the program vendor. DETAILS: QBW32 caused an invalid page fault in module APPCORE.DLL. This is an indication that your data file is damaged. It can also be caused by QuickBooks attempting to read data that has been partially deleted. To recover your data file in as little as 12 hours, click here for Quickbooks Data Recovery C42.