How to fix QuickBooks Error 390

Understanding and Fixing QuickBooks Error 390

QuickBooks is a powerful tool for managing finances. But sometimes, errors can disrupt its smooth functioning. One such error is QuickBooks Error 390. This error can be annoying, especially when you’re trying to keep your accounts in order. Don’t worry, though. This article will explain what Error 390 is, why it happens, and how to fix it.

What is QuickBooks Error 390?

QuickBooks Error 390 is a runtime error. It usually happens when QuickBooks is running and suddenly stops. This can interrupt your work and cause frustration. Runtime errors like this can be due to several reasons, which we will explore below.

Read More: QuickBooks Error 1603

Why Does QuickBooks Error 390 Happen?

There are several reasons why this error might occur:

  1. Corrupted Download or Incomplete Installation: If QuickBooks wasn’t downloaded or installed correctly, it could lead to errors.
  2. Corrupted Windows Registry: Changes or corruption in the Windows registry can cause runtime errors.
  3. Virus or Malware Infection: Harmful programs can damage QuickBooks files, leading to errors.
  4. Deleted QuickBooks Files: Accidentally deleting essential QuickBooks files can also cause this error.

How to Fix QuickBooks Error 390

Here are some steps to fix this error:

Update QuickBooks

Updating QuickBooks can often resolve errors. Follow these steps to update:

  1. Open QuickBooks.
  2. Go to the “Help” menu.
  3. Click on “Update QuickBooks Desktop”.
  4. Click on “Update Now”.
  5. Click “Get Updates”.

After the update, restart QuickBooks. Check if the error is gone.

Repair Windows Registry

Fixing the Windows registry can be tricky. It’s best to use a reliable registry cleaner. Here’s a simple guide:

  1. Download a trusted registry cleaner.
  2. Install and open the program.
  3. Follow the instructions to scan and fix registry issues.
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Be careful while using registry cleaners. Always back up your registry before making changes.

Scan for Malware

Malware can cause many problems, including QuickBooks errors. Use a good antivirus program to scan your computer:

  1. Open your antivirus software.
  2. Could you update it to the latest version?
  3. Run a full system scan.
  4. Follow the instructions to remove any detected threats.

After the scan, restart your computer and check QuickBooks.

Reinstall QuickBooks

If the error persists, reinstalling QuickBooks might help. Here’s how to do it:

  1. Open the “Control Panel”.
  2. Go to “Programs” and then “Programs and Features”.
  3. Find QuickBooks in the list.
  4. Click on it and select “Uninstall”.
  5. Follow the instructions to remove QuickBooks.

After uninstalling, restart your computer. Then, reinstall QuickBooks from the official website.

Restore Deleted Files

If you accidentally deleted QuickBooks files, restoring them might fix the error. Here’s a simple way to do it:

  1. Open the “Recycle Bin” on your desktop.
  2. Look for the deleted QuickBooks files.
  3. Right-click on the files and select “Restore”.

This will put the files back in their original location.

Additional Tips

Here are some extra tips to help you avoid QuickBooks Error 390:

  • Regularly Update QuickBooks: Always keep your QuickBooks software up to date. This helps prevent errors.
  • Backup Your Data: Regularly backup your QuickBooks data. This way, if something goes wrong, you won’t lose important information.
  • Use Reliable Antivirus Software: Protect your computer with a good antivirus program. This helps prevent malware infections.
  • Be Careful with File Deletions: Avoid accidentally deleting important QuickBooks files. Always double-check before deleting.
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When to Contact Support

If you have tried all the steps and the error is still there, it might be time to contact QuickBooks support. They can provide more detailed help. Here is how to contact them:

  1. Open QuickBooks.
  2. Go to the “Help” menu.
  3. Click on “Contact Us”.
  4. Follow the instructions to get in touch with support.

You can also visit the QuickBooks website for more support options.

Related Post: QuickBooks Subscription Has Lapsed


QuickBooks error code 390 can be a hassle, but it can be fixed with the right steps. Start by updating QuickBooks and repairing the Windows registry. Scan for malware and reinstall QuickBooks if needed. Restoring deleted files might also help.

Remember to keep your QuickBooks updated and back up your data regularly. This helps avoid future errors. If all else fails, contact QuickBooks support for help. They are there to assist you.

By understanding and fixing QuickBooks Error 390, you can ensure your financial records stay accurate and up to date, ensuring your business runs smoothly without any disruptions.

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