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Ways to Fix QuickBooks Error 6143 (Can't Back up Company File)

  • Writer: Mike Willer
    Mike Willer
  • Jun 5
  • 3 min read

QuickBooks is an accounting powerhouse, but like any software, it's not immune to errors. One of the frustrating issues users face is QuickBooks Error 6143. This error usually pops up when trying to open a company file, and it can bring your workflow to a halt. But don’t worry—we’re here with an in-depth guide to fix this issue and get you back on track!


What is QuickBooks Error 6143?


QuickBooks Error 6143 typically arises when the software is unable to open a specific company file. It belongs to the 6000-series errors, which are related to company file problems. You might see a message like:


“We’re sorry. QuickBooks encountered a problem. Error code: 6143”

This error may occur due to damaged files, incorrect configuration, or issues within the company file name.


Common Causes of QuickBooks Error 6143


Understanding the cause is the first step to fixing it. Here are the usual suspects:


  • Corrupted or damaged company file

  • Incorrect file name or special characters

  • Damaged Windows user profile

  • Incomplete installation of QuickBooks

  • Interference from third-party programs

  • Storing the file on a remote server without proper permissions


Signs You’re Facing QuickBooks Error 6143


Recognizing the error early can save time and prevent data loss. Look for:


  • QuickBooks crashing when opening the company file

  • The file taking an unusually long time to load

  • Error message 6143 popping up repeatedly

  • System freezing or becoming unresponsive


How to Fix QuickBooks Error 6143?


Let’s explore tried-and-tested solutions to eliminate this error and restore normalcy.


Solution 1: Use QuickBooks Tool Hub


QuickBooks Tool Hub is a free diagnostic utility by Intuit that fixes most common errors.


Steps:


  1. Download the latest version of QuickBooks Tool Hub.

  2. Install and launch it.

  3. Click on Company File Issues.

  4. Select Run QuickBooks File Doctor.

  5. Browse and choose your company file.

  6. Click Check your file, then Continue.


Let the tool scan and repair your file. Restart QuickBooks after completion.


Solution 2: Rename the Company File


Sometimes, a problematic file name can trigger the error.


Steps:


  1. Open the folder where your file is stored.

  2. Locate the file with the extension .QBW.

  3. Right-click and select Rename.

  4. Remove any special characters or symbols.

  5. Rename both .QBW and its corresponding .TLG file.


Solution 3: Create a New Windows User


Corrupted Windows profiles can also lead to error 6143.


Steps:


  1. Go to Control Panel > User Accounts > Manage another account.

  2. Click Add a new user in PC settings.

  3. Create a new admin-level user.

  4. Log in with the new account and try opening QuickBooks again.


Solution 4: Restore a Backup File


If your current company file is damaged, restore the most recent backup.


Steps:


  1. Open QuickBooks.

  2. Go to File > Open or Restore Company > Restore a backup copy.

  3. Follow the prompts and choose the most recent backup (.QBB).

  4. Save the file with a new name to avoid overwriting.


Solution 5: Disable Antivirus or Firewall Temporarily


Security software may block access to certain QuickBooks files.


Steps:


  1. Temporarily disable antivirus/firewall.

  2. Open QuickBooks and access your file.

  3. If it works, add QuickBooks as an exception in your security settings.

Don’t forget to re-enable your security software afterward.

Preventing QuickBooks Error 6143 in the Future

Prevention is better than a cure. Here’s how you can avoid this error:


  • Regularly back up your company files

  • Avoid using special characters in file names

  • Keep QuickBooks updated to the latest version

  • Run periodic scans using QuickBooks File Doctor

  • Limit access to company files on shared networks


Final Thoughts


QuickBooks Error 6143 is a pesky issue but totally fixable with the right approach. Whether it’s using the QuickBooks Tool Hub, renaming your file, or calling in expert help, you now have the tools to tackle it head-on.


For fast and reliable support, don’t hesitate to dial +1-866-409-5111. Let the professionals handle it while you focus on running your business smoothly.

 
 
 

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