Please explain what kind of file type do you encrypt/open/save/decrypt the file.? And provide your system configuration(operating system, version,etc..)
Sorry to say, Please provide more information about the issue and write a mail to email@example.com
You can also send the complete error report to troubleshoot the issue. Please follow the detailed instructions to take the complete error report: https://www.axcrypt.net/blog/send-complete-error-report/ . so that we will try to troubleshoot the same as soon as possible.