Run reboot.bat file to fix the error QuickBooks error code 80029c4a can be very much annoying. Therefore, you can fix the error by running the reboot.bat file. The steps involved in this process are as follows: · The very first step is to close the QuickBooks desktop. · Once done with that, the user is required to open the folder that contains reboot.bat file. · After that, right-click the QuickBooks desktop icon, and then select the Properties option. · Moving to the next step, the user is required to click on the Open file location option. · Now, right-click reboot.bat file and then select the option stating Run as system Administrator. · The next step in the process is to ensure that you are running the reboot bat file as the Windows Administrator. · Make sure that you do not close the window that appears on the screen, as this would turn off the reboot.bat file utility once it gets completed. · And the final step is to reboot the system.