Runtime errors like TurboTax Error code 5640 occur due to incompatible programs that run at the same time. This may also happen because of memory problems, wrong graphics driver, or virus infection. However, on the other hand, TurboTax Error 42015 takes place when you try to update your software, and your internet browser is using a proxy connection setting. Since you have a proxy connection, TurboTax may have difficulty in connecting to the server.

Resolve Turbotax Error code 5640

When you get a runtime error, bear in mind that it is happening due to programs that are conflicting with each other. The one thing that you can best do is to stop these conflicting programs.

• First, open the task manager by pressing Ctrl-Alt-Del at the same time on your keyboard. This will help you to see the list of programs that are currently running.
• Now, go to the Processes tab and stop the programs one by one by highlighting each program and clicking the End Process button.

Tips To Troubleshoot Turbotax Error 42015

To fix TurboTax Error 42015, step by step, follow the method given below. Make sure you do not leave any step in between.

• First, you need to take a backup of your files. Then clear your cache and make sure you reboot your computer.
• Now, you need to run disk cleanup. Open your explorer window and then right-click on the main directory. Finally, click on properties and then click on the disk cleanup option.

The above troubleshooting techniques will help you to fix both TurboTax Error code 5640 and TurboTax Error 42015.

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