Quickbooks error code 80029c4a occurs when you are trying to open a company file or Quickbooks. This error also occurs when the company file is damaged or corrupted. This error is also called a run-time error. There are many reasons to occur this error- when the Quickbooks desktop files are corrupted or missing, when the windows registry is corrupted, when the installation of Quickbooks pro software is incomplete when the QuickBooks component doesn’t start properly or the DLL files are missing or corrupted, Virus or malware infection could have corrupted Windows system files or QuickBooks related program files, Another program could have deleted QuickBooks related files, etc. There are some symptoms of this error- It Crashes the active program window, Your computer system regularly collapses with Error 80029C4A, Windows responds slowly to computer mouse or keyboard input, Error Code 80029c4a may appear throughout during the program installation, etc.