icwrapper.dll failed to register Error in QuickBooks occur in every version of QuickBooks and are faced by both Windows and Mac users. Most of the times these errors arise at the time of installation and are caused by faults in the operating system settings and components. The error that we are going to discuss today in this article is icwrapper.dll failed to register error in QuickBooks. This error also displays an error code 1904, which is quite common in QuickBooks. For detailed troubleshooting info, follow the complete article until the end. Call QuickBooks Desktop Error Support Number (844)-888-4666 for Instant Help and Support from QuickBooks Desktop Certified Professionals What Cause QuickBooks Installation Error Icwrapper.dll Failed to Register Icwrapper.dll is a Windows system file that is required by every application for installation and the error takes place when this file is missing or damaged. There are various types of error messages that one can notice af...