Quickbooks File Repair — There was a problem loading registration support

The QuickBooks message "There was a problem loading registration support" reports that a component QuickBooks needs at startup failed to load. It is typically tied to a temp-folder error referencing mfc70.dll and a missing Windows accessibility component — an installation and operating-system problem rather than damage to your company file.

What this error means

At launch, QuickBooks loads supporting libraries from the Windows temp folder, including the Microsoft Foundation Class runtime mfc70.dll. When the error names a path such as c:\windows\temp\{...}\mfc70.dll, QuickBooks could not load that library. The original cause traces back to Microsoft Active Accessibility not being installed — a known condition on very old systems such as Windows 98 First Edition.

Symptoms you'll typically see

• "There was a problem loading registration support" during or just after startup.
• A temp-folder path ending in mfc70.dll shown in the error text.
• QuickBooks closing or refusing to finish launching.
• The issue appearing on older Windows versions or freshly reimaged machines.

Common causes

• Microsoft Active Accessibility (MSAA) not installed on the operating system.
• A very old Windows release (such as Windows 98 First Edition) missing modern runtime support.
• A missing or unregistered mfc70.dll runtime component.
• A blocked, cleared, or permission-restricted Windows temp folder.

What you can safely try first

• Install or update Microsoft Active Accessibility for the operating system in use.
• Confirm the Windows temp folder exists and the user has write access to it.
• Repair or reinstall QuickBooks so the required runtime libraries register correctly.
• Where feasible, run QuickBooks on a supported, current version of Windows.

When professional recovery is the safer path

This error sits in the installation and Windows layer, so fixing the component usually restores startup. It becomes a data matter only if the same machine also holds a .QBW file that now fails to open or fails Verify Data. In that case our engineers can examine the company file separately and recover it intact.

If your company file is damaged or will not open, contact our team about QuickBooks data recovery and start a recovery. Recovery is performed in-house in North America under a no-data, no-charge guarantee.