There could be a variety of causes for QuickBooks Error 3371 Status Code 1118; learn more here:
QuickBooks Desktop requires a file or component that is either damaged or missing in order to execute.
This error is also caused by Qbregistration.
dat:
It essentially has your driver's license information.
MSXML Component has been damaged.
Antivirus interruption of any kind.
WebConnect User issues with Right networks and QuickBooks Enterprise.
Solution 1: Delete ecml file
First of all, press Windows + R together from your keyboard.
Enter this path C:\ProgramData\intuit\Entitlement Client\v8 in the window.
Next, Windows Explorer will open with the above address.
Now, delete ecml file. After that, close the window.
Finally, you have to Run QuickBooks and Register the item again.’
Solution 2: Update your Windows operating system
The first step is to click on the Start button.
Now, select All Programs and then click on Window Update.
After that, click on check for updates.
Next, you to reinstall and update QB Desktop again.
Solution 3: Install Latest Windows Update
Firstly, you need to install the latest updates for Windows.
Next, select All Programs and then click on Windows Update.
Solution 4: Renaming the Entitlement file
Firstly, go to “C: ProgramDataIntuitEntitlement Clientv*
Next, you need to rename the Entitlement file.
Once you start QB, it will create a new file for you.
If the program data folder is not visible, follow the steps given below to unhide it:
Follow the path Computer > Select Organize > Choose Folder > Search Options.
After that click on Hidden Files and Folders.
Finally, open QuickBooks to see whether QuickBooks Error 3371 is resolved.
Let me know if this helps.