This article describes how to determine whether a program is a 16-bit or 32-bit program.
- Press CTRL+ALT+DELETE to open the Windows NT Security dialog box.
- Click Task Manager.
- Click the Processes tab.
- On the Options menu, make sure that there is a check mark next to Show 16-Bit Tasks. If there is no check mark, click Show 16-Bit Tasks.
- All 16-bit tasks are indented under Ntvdm.exe (along with Wowexec.exe). All other tasks or processes are 32-bit.