It seems like you're trying to enable 16-bit application support on your Windows 8.1 32-bit system but encountering an error message when you attempt to do so. The error message shown in the image you attached indicates that the system files required for enabling legacy 16-bit application support are missing or corrupt. To address this issue, you can try the following steps:
- Check System Files:
- Run a system file checker scan to check for corrupted system files and repair them if needed.
- Open Command Prompt as an administrator and run the command:
sfc /scannow
[]Enable 16-bit Support Manually:
- If the system file check doesn't resolve the issue, you can try enabling 16-bit application...