Are you seeing QuickBooks's "80070057: the parameter is incorrect" error? This error stops you from reading or changing your company file. This article explains what QuickBooks error 80070057 is, why it happens, and how to fix it.

QuickBooks error 80070057 happens when QuickBooks cannot find the company file. The error message "the parameter is incorrect" appears when you double-click the file. This prevents you from creating or deleting company files.

What Causes Error 80070057?

Several reasons can cause this error. Here are some common causes:

• Wrong File Extension: QuickBooks can't read the file because the file extension is wrong.
• Damaged Installation: The QuickBooks installation is damaged.
• Wrong File Type: The QuickBooks file has the wrong extension (.qbm, .qbb, .qbx).
• Firewall Issues: Your firewall is blocking QuickBooks.
• Portable File Problem: You are trying to open a portable file without QuickBooks.
• USB Drive Issue: You are working on a file on a USB drive.

How Does Error 80070057 Affect QuickBooks?

Error 80070057 slows down QuickBooks and stops you from changing your company file. You may see these signs:

• The error code 80070057 appears on your screen.
• Your active program crashes.
• The system freezes.
• The error pops up when installing QuickBooks.
• The user cannot delete the company file.

Solutions to Fix Error 80070057

Here are some solutions to fix the QuickBooks error 80070057: 

Solution 1: Check the Company File Extension​

• Right-click the company file.
• Choose Properties.
• Click the QuickBooks tab.
• Note the file extension in the Filename field.
• Click OK.

Change the Extension:

• Create a new folder.
• Copy the company file and paste it into the new folder.
• Right-click the new folder and choose Rename.
• Change the file extension to .qbm.
• Restore the portable file by opening QuickBooks.
• If you have trouble opening QuickBooks, rename the extension to .qbb and restore the backup.
• If the file still does not open, rename the extension to .qbx and convert it to an accounting copy.

Copy the Company File to a New Folder on the Flash Drive:

• Open Windows Explorer.
• Go to the File menu, right-click, and select New Folder.
• Copy the "Companyfile.QBW" from the flash drive and paste it into the new folder.
• Open QuickBooks and open the new folder.

Solution 2: Run QuickBooks as an Administrator

• Close QuickBooks.
• Right-click the QuickBooks icon.
• Select Run as administrator.
• If the company file doesn't open automatically, select the company file and click Open.

Solution 3: Clean Install QuickBooks

Uninstall and reinstall QuickBooks using the QuickBooks Clean Install Tool.

Solution 4: Move the Company File to the Default Location​

• Quit QuickBooks.
• Find the location of your company file.
• Right-click the company file (.QBW) and click Copy.
• Browse to the default location: C:/Users/Public/PublicDocuments/Intuit/QuickBooks/Company Files
• Right-click and click Paste.
• Relaunch QuickBooks and click the Find a company file option.

Find Company File in QuickBooks:

• Click Local Drives and look for the company file name.
• Choose the correct company file and click Open.

Solution 5: Run QuickBooks File Doctor

• Download and install the QuickBooks Tool Hub.
• Go to the Company File Issues section.
• Click Run QuickBooks File Doctor.
• Let the tool diagnose and fix any company file issues.

Solution 6: Configure BitDefender

Allow QuickBooks Communication:

• Go to the BitDefender main menu and select Antivirus.
• Choose Custom Level.
• Exclude the path from the scan.
• Select New item.
• Choose the mapped drive or UNC path used to browse the company file (e.g., "Q:\").

These steps should help you resolve QuickBooks Error 80070057.​