Easy way to terminate QuickBooks invalid product number
                     What to do if you get QuickBooks invalid product number?
“QuickBooks invalid product number” typically refers to an error 
message encountered when attempting to activate or register the software. 
This issue arises when the product key or license number entered does not 
match the version of QuickBooks being installed. It could also indicate a 
problem with the formatting or input of the license information. Resolving 
QuickBooks invalid product number error usually involves double-
checking the accuracy of the product number inputted during installation or 
activation. Users may need to verify their purchase details, ensure they are 
using the correct version of QuickBooks, and contact our customer support 
for assistance if the problem persists.
Swift resolution is essential to ensure uninterrupted access to 
QuickBooks’ financial management features. All you need to do in 
order to fix the problem with the help of professionals is speak 
with our team at 1.855.738.2784.

What are the reasons that led to QuickBooks’s 
invalid product number?
Ensuring accurate input, using legitimate product keys, and resolving 
technical issues promptly can help prevent or resolve this error.
1. Mistyping or misplacing digits while entering the product key during 
installation or activation.
2. Attempting to use a product key intended for a different version or 
edition of QuickBooks.
3. Using a product key that has expired or been invalidated due to 
licensing issues.
4. Trying to activate QuickBooks with unauthorized or counterfeit product 
keys.
5. System or software issues that disrupt the activation process, such as 
corrupted installation files or conflicts with other applications.
Solution: Try deleting the entitlement 
client folder contents on your system
Following these steps, you can effectively delete the Entitlement Client 
folder contents to resolve activation issues with QuickBooks. Before making 
changes, remember to proceed cautiously and ensure you have backed up 
any important files.
1. Ensure that QuickBooks is closed on your computer. You cannot delete 
files that are currently in use by the software. The Entitlement Client 
folder contains files related to QuickBooks activation.
2. Before deleting anything, it’s advisable to create a backup of the 
Entitlement Client folder contents. You can simply copy the entire folder 
and paste it to another location on your computer.
3. Once you’ve backed up the folder, return to the original location and 
delete all the files and folders inside the Entitlement Client folder. You 
can do this by selecting all the contents and pressing the delete key, or 
right-clicking and selecting “Delete”.
4. If you’re using Windows, make sure to empty your Recycle Bin after 
deleting the files. On macOS, you need to empty the Trash to 
permanently delete the files.
5. After deleting the Entitlement Client folder contents, restart QuickBooks 
on your computer. The software will recreate the necessary files during 
the next activation attempt.
6. If prompted, reactivate QuickBooks using your product key and license 
information. This process should now proceed without encountering the 
“invalid product number” error.
Conclusion
Encountering a “QuickBooks invalid product number” error suggests a 
mismatch between the entered product key and the software version. 
Resolving this involves double-checking input accuracy, verifying purchase 
details, and contacting Intuit support if needed. Prompt resolution ensures 
uninterrupted access to QuickBooks’ financial management capabilities. 
You can also speak with our team of experts at 1.855.738.2784 so that 
this problem gets fixed quickly.