AxCrypt account and AxCrypt app are required to open/decrypt the AxCrypt encrypted files. without AxCrypt app we cannot decrypt the encrypted files.
Please install the AxCrypt app, sign in your AxCrypt account credentials then decrypt the all encrypted file(s)in your system. After that, uninstall(if need) the AxCrypt app. Now restart your system, AxCrypt app completely remove from your system.
Still, you are facing any query, please provide detailed information about the issue and write a mail to firstname.lastname@example.org. We are happy to help you.