QuickBooks Error 6190 is a common yet frustrating error that pops up when users try to open a company file in multi-user mode. It typically reads:
“QuickBooks was unable to open the company file on the host computer.”
It’s part of the 6000 error series, usually related to file access problems, particularly in multi-user setups or when data files become mismatched or corrupted.
Struggling with QuickBooks Error 6190? This complete guide covers all causes and easy solutions to fix and prevent the issue. Call +1(866)409-5111 for expert support.
Why You Shouldn’t Ignore It
- It blocks access to your company data
- It may point to deeper file corruption
- It can disrupt daily financial and payroll processes
- It can cause data loss if not handled carefully
Common Causes of QuickBooks Error 6190
Here’s why you may be seeing this error:
1. Data File Mismatch
The company file (.QBW) doesn’t match the transaction log file (.TLG). This desync blocks QuickBooks from opening the file.
2. Wrong Hosting Configuration
Another user is hosting the file in single-user mode, while others try to access it in multi-user mode.
3. Damaged Network File (.ND)
The .ND file is crucial for QuickBooks to communicate over your network. If it’s corrupted, expect access issues.
4. Company File Damage
Any corruption in the .QBW file itself can lead to error 6190, especially if it happened during an update or crash.
5. Server or Network Issues
Unstable connections, permission issues, or improper server configuration can also cause this error to appear.
How to Fix QuickBooks Error 6190 (Step-by-Step)
Let’s fix the problem based on what’s most likely causing it.
Fix 1: Use QuickBooks File Doctor
This official tool checks for file damage and network errors.
Here’s how to run it:
- Download & install QuickBooks Tool Hub from Intuit’s official site.
- Launch it, then click on Company File Issues.
- Choose Run QuickBooks File Doctor.
- Pick your company file and let the scan run.
- Follow the instructions if errors are found.
Best for: File mismatch or corruption issues.
Fix 2: Rename .ND and .TLG Files
Renaming these files forces QuickBooks to recreate fresh ones.
Steps:
- Go to your company file location.
- Find files with
.ND
and.TLG
extensions. - Right-click and rename both:
company.qbw.nd
→company.qbw.nd.old
company.qbw.tlg
→company.qbw.tlg.old
- Reopen QuickBooks and access your file again.
Best for: Network file or log file mismatches.
Fix 3: Check Hosting Settings on All Systems
Make sure only the server computer hosts the file.
Steps:
- On each workstation, open QuickBooks.
- Navigate to File > Utilities.
- If you see “Host Multi-User Access”, don’t click it.
- If you see “Stop Hosting Multi-User Access”, click it to disable.
Best for: Multi-user access problems.
Fix 4: Move File to Local Drive Temporarily
This test helps isolate network-related issues.
Steps:
- Copy the company file to your desktop.
- Open it using QuickBooks.
- If it opens successfully, the issue is likely with network or permissions.
Best for: Diagnosing network issues.
Fix 5: Restore a Recent Backup
If nothing works, restore your most recent healthy backup.
Steps:
- In QuickBooks, click File > Open or Restore Company.
- Choose Restore a backup copy.
- Follow prompts and choose the correct backup file.
Best for: Severe file corruption.
Still Stuck? Get Live Expert Help
Some errors are just too complex for basic fixes. If you’ve tried everything and still see QuickBooks Error 6190, it’s time to call in a pro.
Speak to a certified QuickBooks technician now:
+1(866)409-5111
Pro Tips to Prevent QuickBooks Error 6190
Avoid seeing this error again by following these best practices:
- Schedule regular backups of your QuickBooks data
- Keep QuickBooks Desktop updated
- Avoid using Single-User Mode in multi-user setups
- Run QuickBooks Database Server Manager after updates
- Monitor network health and permissions
- Close QuickBooks properly instead of force-shutting it
Quick Recap: Causes & Fixes
Cause | Best Fix |
---|---|
.QBW/.TLG mismatch | Rename .ND/.TLG files or use File Doctor |
Multi-user error | Check hosting settings |
Corrupt .ND file | Rename it and reopen QuickBooks |
File corruption | Restore from backup or use File Doctor |
Network failure | Move file locally to test access |
Conclusion
QuickBooks Error 6190 might feel like a major disruption, but it’s totally fixable once you understand the root causes. Whether it’s a file mismatch, hosting issue, or network glitch, one of the solutions above will get you back on track.
If you’re short on time or need a hand, don’t hesitate to call our QuickBooks support team at +1(866)409-5111. Fast, reliable help is just one call away.
Read More: https://www.qbookshub.com/update-quickbooks-desktop/