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QuickBooks is very popular among the small & medium businesses and is used worldwide by many people and the reason behind this is that the software is user friendly and gives you numerous features which assist in managing the accounting part.

The downside of using the software is the number of arcane errors that the users encounter at various stages of using the software. One of such error is the QuickBooks Java Error Code 1601. This error happens more when the code isn’t patched successfully. This error can also arise if the Windows installer has been compromised or disabled for various reasons.

In this article we will discuss about the reason behind the occurrence of the error and ways to get rid of this error. You can also take advantage of QuickBooks Online Support to fix the issue and get in touch with our experts; they will assist you in the best possible manner.

The possible reasons behind the occurrence of the QuickBooks java error1601

There are so many reasons that may be accountable for the occurrence of the QuickBooks java error and all those are listed below:

  • If there is any issue with your operating system it can trigger the error.
  • If file is corrupted or destroyed even that can lead to the error.
  • If the Microsoft Installer is damaged.
  • This error often arises when the files get bolted
  • This may also be attributed due to malware or virus infection.

Solutions to fix QuickBooks Java Error Code 1601

Here are some of the suggested fixes steps you should take to get your software out of the problem.

Solution 1: Check out Windows Installer service

To do so follow the instructions properly one by one.

  1. At first on your keyboard, press the Windows Key
  2. Then Type ‘msc’ in the search window
  3. And choose Services which appear on your screen
  4. Then Right-click the same button and choose Windows Installer
  5. after that   press on the properties on the same.
  6. Make sure that the startup type is “disabled” that you can see in Properties
  7. And after that select Manual option in case it is disabled
  8. You must choose “service status” in the Manual option
  9. After this put it to “Start,” which once again helps to enable Windows.

Probably the solution 1 would help you correct the error in case there is an issue with the Windows installer, and if the problem persists move to the next solution.

Solution 2: Register the Windows Installer once again

  1. At first go to Start, and hold Windows+key on your keyboard together
  2. And then, the command prompt option will be displayed on your computer
  3. After that Type ‘exe / unreg’ and then tap Ok
  4. Then a pop-up message will appear on your screen and you will be asked for the confirmation.
  5. So to Confirm it click Ok
  6. After that Press Windows key on your keyboard and hold Windows + R key again together
  7. And Type ‘exe / regserver’ in the Command prompt window that appears
  8. Then click ok.

9., Pop-up message will appear and again you will be asked to confirm I so for that click on ok.

 Then check whether or not the QuickBooks error 1601 is fixed, if it still continues to exist then you need to download the Updated new Windows installer.


The above referred techniques are very useful to eradicate the QuickBooks java error 1601. Our certified experts provide 24/7 technical support via phone, chat, and email. If you want to discuss any more feel free to get in touch with us. ALSO if you have some other query, then you can contact on our QuickBooks Support Number. You can also write to us at more information visit –

Post Author: qbooks247

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