At the point When QuickBooks says the document is open, it indicates that the No Company Files window is as of now open or qbw32 exe running in background in the Task Manager. This causes your program and forestalls you to get to it appropriately.
find different error messages on your screen. These are specified below
Problem: QuickBooks could not be started because it is already running the maximum number of instances.
QuickBooks can’t start because it is already running. Only QuickBooks
Accountant and QuickBooks Enterprise can open more than one company file.
An empty QuickBooks window already exists, so QuickBooks will use that window.
On the off chance that you at any point experienced such issues while restarting the PC, the primary move you should make is to kill the keep QuickBooks running for Quick Startups feature.
Solution 1: Run Quick Fix my Program from the QuickBooks Tools Hub
Step 1: Download and install the QuickBooks Tools Hub
The QuickBooks Tool Hub helps fix common errors. For the best experience, we recommend using Tool Hub on Windows 10, 64-bit.
Close QuickBooks Desktop Enterprise.
We recommend you download the most recent version (1.4.0.0) of the QuickBooks Tool Hub. Save the file somewhere you can easily find it (like your Downloads folder or your Windows desktop). Note: If you've already installed Tool Hub before, you can find out which version you have. Select the Home tab. The version will be displayed on the bottom right or you can select About to view the version.
Open the file you downloaded (QuickBooksToolHub.exe).
Follow the on-screen steps to install and agree to the terms and conditions.
When the install finishes, double-click the icon on your Windows desktop to open the tool hub.
Step 2: From the Tools Hub, run the Quick Fix my Program
The Quick Fix will shut down any open background processes QuickBooks uses. It'll run a quick repair on your program.
In the QuickBooks Tools Hub, select Program Problems.
Select Quick Fix my Program.
Start QuickBooks Desktop and open your data file.
Solution 2: Suppress the QuickBooks Desktop application
There might be damage to your company file. You'll want to figure out if the issue is with QuickBooks or your data file. QuickBooks might try to open your previous company.
Press and hold the Ctrl key, then double-click the QuickBooks Desktop icon.
Important: Don't release the Ctrl key until you see the "No Company Open" window unless QuickBooks freezes or gives you an error.
Select a company file, then choose Open.
Regards, Bruce