Experiencing technical issues in QuickBooks is something we all are familiar with. At times, it can be related to the company file. On the other hand, issues like QuickBooks error 193:0xc1 are related to the software itself. While trying to use QuickBooks desktop in multi-user mode, you can often run into QuickBooks error code 193. The error message reads: Windows could not start the QuickBooksDBXX service on local computer.
Such an error is often seen when the POS system fails to access specific company files. You might not be able to start the QuickBooksDB27 service manually or automatically. Not just that, you can face this glitch when trying to open QuickBooks database server manager too.
Now, what happens exactly? Well, QuickBooks uses the QuickBooks Database Server Manager to connect multiple users on a network. The moment you try hosting the company file, this component starts running. It allows other users to access financial data and post transactions at the same time. So when QuickBooks error 193 hits, the Database Server Manager simply does not start. Even if QuickBooks opens, you will see random crashes and freezes. It makes accounting quite inconvenient overall.
You might feel a little worried seeing such an error. But need not to worry at all. We have curated this segment to help you fix QuickBooks error 193 with the best possible solutions. In case you need any technical guidance, feel free to talk to our experts at +1 (855) 666-0469.

| Error | Description |
|---|---|
| Warning | Error 193: 0xc1, Unable to start the service error. |
| Warning | Error 193: Services - Windows could not start the QuickBooksDBXX service on Local Computer. |
Also Read: How to Fix the QuickBooks Sync Manager Error?
Signs and Symptoms of QuickBooks Error 193
Before heading to the solutions, it helps to confirm you are dealing with error 193. Here are the common signs:
- QuickBooks stops responding and shuts down all of a sudden
- Windows might freeze or hang in between
- Mouse and keyboard might not respond properly
- You are unable to access QuickBooks features
- Working on the company file in multi-user mode becomes impossible
- Different error messages keep popping up on screen
- The system slows down and feels sluggish overall
What Causes QuickBooks Error 193?
Here are the basic factors that can be triggering such an error in QuickBooks:
- Any kind of damage in the .qbt files can trigger such an error
- You can also experience this if QuickBooks has a corrupt customer list
- A damaged company file can also be a valid reason
- Outdated operating system is another factor
- If you are trying to open deleted or merged customer names
- There are different department codes, then such an error can be seen
- Damaged .ND and .TLG configuration files are also a common reason
- QuickBooks Database Server Manager not functioning properly
- Incomplete QuickBooks Desktop installation can trigger this too
- Antivirus or firewall settings blocking QuickBooks processes
Things to Check Before You Start
There are a few things worth verifying before you dive into the solutions below:
- Log in as an administrator on Windows
- Make sure you have the latest version of QuickBooks Desktop
- Do not use Database Server Manager on a Network Attached Storage device
- Close all background programs that might conflict with QuickBooks
Solutions to QuickBooks Multi User Error 193
Now that you know what can actually drag you to QuickBooks error 193, it is time to look at the fixes. Let us scroll down and understand each solution one by one:
Solution 1: Remove Customers in QuickBooks
Try removing customers in QuickBooks as this might rectify the issue to a certain extent.
- Open QuickBooks and go to the Reports tab
- Furthermore, pick the Customer List
- This will open a window where you need to pick the first client
- The next step is to double click Customer
- Explore the details and open the list of this customer
- After this, pick All Options and go for I want to
- Pick Delete the Customer
- Go for File menu
- Select Utilities and Resend
- Also check the mailbag of the store
- The last step is to check if the issue persists
Read Also: How to Resolve QuickBooks error code 15223?
Solution 2: Rename the .ND and .TLG Files
The .ND and .TLG files help QuickBooks control network access and manage transactions. If these files get damaged, they stop the Database Server Manager from working. Renaming them forces QuickBooks to build fresh ones on its own.
- Open Windows File Explorer on your system
- Go to this location: C:\Users\Public\Public Documents\Intuit\QuickBooks\Company Files
- Look for files with .ND and .TLG extensions in the folder
- Right click on each of these files
- Go for the Rename option
- Add .old at the end of each file name
- For example, rename CompanyFile.qbw.nd to CompanyFile.qbw.nd.old
- Do the same for the .TLG file
- After this, open QuickBooks Database Server Manager
- Go to the Scan Folders tab
- Click Browse and select the folder with your company file
- The next step is to click Start Scan
- The last step is to reopen QuickBooks and see if the error is gone
Solution 3: Use QuickBooks Tool Hub and File Doctor
Intuit has a dedicated tool called QuickBooks Tool Hub. It is built to fix a wide range of errors including error 193. Here is how to use it:
- Download the latest QuickBooks Tool Hub from Intuit's official website
- Install and open it on your system
- Go to the Company File Issues tab
- Click on QuickBooks File Doctor
- Browse for the company file that is showing the error
- Let the tool run a full scan and fix the issue
- Once done, restart QuickBooks and check for the error
Now if the above steps did not work, try the below as well:
- Open QuickBooks and sign in to the company file
- Go to File menu
- Choose Close Company/Log off
- Click on Windows Start
- Type database in the search bar
- Open Database Server Manager
- Right-click on the QuickBooksDBXX service
- Select Restart
- The last step is to check if multi-user mode works now
Solution 4: Clean Install QuickBooks Desktop
Clean install can be a upgraded version of restarting your system, and this might fix a lot of issue.
- Begin by clicking on Windows Start
- After this, opt for Control Panel
- Go for Programs and Features option
- You can also Uninstall a Program

- Select QuickBooks Desktop here
- And then, you need to opt for Uninstall/change and further go for Remove

- End the process by Reinstall QuickBooks
Learn More: How to Fix QuickBooks Banking Error 324?
Solution 5: Remove .qbt files in Headquarters and Remote Store
Step 1: Eliminate .qbt files from Headquarters
- OS: C:\Program Data\ Intuit\QuickBooks Point of sale x.x/STex. Follow this path on QuickBooks
- You need to check for the folders and in case you are able to find the .qbt files, then make sure to delete that.
Step 2: Delete files at the remote store
- Start by entering .qbt
- After this, you need to delete the file
- Once done with that, you need to close Windows empty the recycle bin
Step 3: Create new remote file
- Here, you simply have to go for files and company operations and further create new company
- The nest step is to enter company name and opt for remote store
- Also enter the store number
- You then have to resent mailbag from headquarters to the remote store
Solution 6: Fix Windows Firewall Settings
At times, Windows Firewall blocks QuickBooks processes. This can stop the Database Server Manager from starting up. Here is how to sort it:
- Click on Windows Start
- Type Firewall in the search bar
- Click on Windows Firewall
- After this, tap on Advanced Settings
- Right-click on Inbound Rules
- Choose New Rule
- Select Port and click Next
- Choose TCP and enter port numbers for your QuickBooks version
- Go for Allow the Connection
- Click Next and give the rule a name
- Click Finish
- Do the same for Outbound Rules
- The last step is to restart your system and check
Note: If manual configuration feels complex, run QuickBooks Tool Hub, go to Network Issues, and use the QuickBooks Database Server Manager to fix firewall settings on its own.
Solution 7: Scanning PC for any viruses

All you need is to do a thorough virus scan in the system with the help of some security software like antivirus. You can also setup and launch antivirus program in order to check for the system for any virus intrusions.
Solution 8: Repair QuickBooks Desktop
If none of the solutions above have worked, try repairing the QuickBooks installation.
- Go to Windows Start menu
- Open Control Panel
- Click on Programs and then Programs and Features
- Select QuickBooks Desktop from the list
- Click Uninstall/Change
- Click Next when the installation window appears
- Select the Repair option
- Click Next and then click Repair
- Let the process complete fully
- The last step is to click Finish and restart QuickBooks
Conclusion!
As this brings us to the end of this segment, we expect you to be able to fix the QuickBooks error 193 successfully. Just in case you have any query or the error still persists, feel free to contact our support providers at +1 (855) 666-0469. We are available 24/7 and will be happy to help you out.
Frequently Asked Questions
Q. What does QuickBooks error 193:0xc1 mean?
This error means Windows is unable to start the QuickBooksDBXX service on your local computer. The XX part refers to the version number of your QuickBooks, such as 27 for 2017 or 28 for 2018.
Q. Can QuickBooks error 193 cause data loss?
No, this error does not directly damage your financial data. It stops you from accessing the company file in multi-user mode, which can delay your work. But your data stays safe.
Q. Which QuickBooks versions does this error affect?
QuickBooks error 193 can appear in all versions of QuickBooks Desktop including Pro, Premier, and Enterprise.
Q. Is it safe to rename .ND and .TLG files?
Yes, completely safe. These are configuration files and not your actual company data. Renaming them just tells QuickBooks to create fresh ones. No data loss happens.
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