How to Fix Unsubstantiated 16-Bit Application Error on Windows 10?

To resolve no-functional app error on your latest device, follow all the below methods in a step-by-step format. We will first strat with fixing the corrupted files.

Method 1: Remove Corrupted Files

Step 1: In the Search Bar, search for the Command Prompt & open it in Administrative format.

Step 2: Execute the following command there & let the process complete. It will check the health of the disk and drivers & repair it if necessary.

Command: DISM /Online /Cleanup-Image /RestoreHealth

Step 3: After performing the above command, execute the following one. It will check the entire system & repair if any corrupted files are present.

Command: sfc /scannow

Hence, we have successfully resolved the unsupported 16-bit app error by removing corrupted files.

Method 2: Perform Clean Boot

Step 1: In the search bar, search for the System Configuration & select the first option.

Step 2: In the newly opened Window, click on the Service Tab & mark the check box To Hide All Microsoft Services. Later, click on the Disable All option & press OK.

Step 3: In a new small popup message, click on Restart to save the changes.

Hence, we have successfully resolved the unsupported 16-bit app error by performing a clean boot.

Method 3: Run the App in Compatible Mode

Step 1: Right-click over the application & click on the Properties option.

Step 2: In the new window, mark the checkbox Run this Program in Compatibility mode & leave the dropdown menu with the default Windows version. Later, click on OK.

Hence, we have successfully resolved the unsupported 16-bit app error by running the app in Compatibility mode.

Method 4: Enable NT Virtual DOS Machine

Step 1: Open the Control Panel by searching it.

Step 2: Click on the Program option to get the option Turn Windows Features On or Off.

Step 3: In the newly opened Window, mark the NTVDM checkbox under the Leagcy Components. And press OK.

Hence, we have successfully resolved the unsupported 16-bit app error by enabling the NTVDM service.

Method 5: Scan for Viruses

Step 1: In the Search bar, search for the Windows Defender Service & go with the option.

Step 2: In the new window, click on the Virus & Threat Protection.

Step 3: Click on the Scan Now button to check & remove viruses.

Hence, we have successfully resolved the unsupported 16-bit app error by removing viruses from the device.

So, these five methods will be ill enough to execute any unsupported 16-bit application on your latest device. But, it is advisable not to use such an application that has not received any latest update for a long. It might create a security threat to your device along with damaging any software component.

Before the modern modifications in Windows, there was a trend to use any 16-bit apps on Windows OS. Users can download & install 16-bit applications on Windows 7, 8, or earlier versions. But now the latest Windows versions like Windows 10, and 11 can only download & execute applications that have a memory configuration of 32 bits. So, when you try to install any old application on your latest Windows, it causes the app 16-bit error.

In this article, we will discuss some effective handful methods to deal with Unsupported app errors on Windows 10 or later.