Adobe Acrobat closes by it self whit error masage

Restart your computer Update Adobe Acrobat to the latest version Repair installation (Help → Repair Installation) Reinstall Acrobat if the problem continues

​@NoFeear it’s a message trying to verify if the app is legit or not
• If you are using a pirated version, then don’t.
• If you are using a legit and paid software from Adobe, don’t panic.
• Check for updates: Help > Check for Updates. 
• If your Acrobat is updated:

• Look for a repair installation only for PC.
• Restart your computer
• For more details: https://helpx.adobe.com/acrobat/kb/unable-to-launch-acrobat-on-windows.html