Hope you are doing well and sorry for the trouble. As described the application is crashing within 5-10 seconds after launch and you have tried to uninstall and reinstalling the application with no success.
Please try to repair the installation (Win Only) from the help menu go to Help > Repair Installation and then reboot the computer once and check.
If it still doesn't work, please try to turn off the protected mode for testing (Win Only) Go to Edit > Preferences > Enhanced Security > Uncheck 'Enable protected mode at startup' , Turn off the Protected mode and uncheck Enhanced Security > Click OK and reboot the computer.
Note: Please turn on the security after testing to avoid any security risks.