QuickBooks Error 100 in POS: Its Causes and Solutions

QuickBooks invalid product number is an error statement that shows up for QuickBooks error 100. This error code mostly appears when you try to open or register QuickBooks Desktop Point OF Sale. There are various reasons for this error code to show up. In this blog, we will see the causes and symptoms of this error.

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For more information on QuickBooks errors and issues, contact the QuickBooks Professional Team at  800.579.0391.

Causes oF QuickBooks POS Error 100

There are several causes associated with this error. Let’s look at them one by one down below:

  • Compromised Files are in the Point OF Sale Entitlement Folder.
  • Not signed to Windows as an admin.
  • Incorrect Product Code is used to install QuickBooks Desktop Point OF Sale.

Troubleshooting Methods For QuickBooks Error 100

Method 1: Automatic

Follow these steps below to implement the automatic procedure:

  • To start the process, download the Clear Entitlement File Tool.
  • Unzip the file on your Desktop.
  • Now, double-click to run the file.
  • Again, open QuickBooks Desktop Point OF Sale and finish the registration.
  • You can also delete the Clear_entitlement _v8.zip files and Clear entitlement v8.bat file.

Method 2: Manual

Follow the steps given below to try the manual methodology:

  • Open Windows Explorer.
  • Move to the location of the QuickBooks Point OF Sale folder.
  • Now press Ctrl+A to choose all the files in the folder. Now press Delete.
  • Choose Yes to affirm the action.
  • Open QuickBooks Desktop Point Of Sale and finish the registration.

Method 3: Renaming of WSActivity File

Execute the steps given below to carry out this method:

  • Open the Windows Explorer. You can also use the shortcut key to open Windows Explorer, which is Windows Key+E.
  • Move to the location of the QuickBooks Point OF Sale folder.
  • Right-click on WSActivity and choose Rename.
  • Enter OLDWSActivity. Now, click anywhere to save.
  • Close the window and now follow all the steps thoroughly of Method 1(Automatic) to delete the data in the entitlement client folder.
  • Open QuickBooks Desktop Point OF Sale once again.

Conclusion

In this blog, we understood the causes and solutions for QuickBooks error 100. You can also try clean reinstalling QuickBooks Desktop Point OF Sale if none of the methods work for you. Follow all the steps thoroughly to get the desired result.
In case you can’t follow or understand any of the technical steps, contact the QuickBooks Professional Team at 800.579.0391.