Creating login in labview screen

Hi guys, I have a problem with my vi. Let me explain. I am trying to create a login screen. He takes the user name and password. Also, I create a text file, write valid username and password in the text file. When I press on confirm button (after I entered the username and password to the login screen), pogram corresponds to the identifier and the password, if they are true, then led open light. It works, but when I try to press on confirm button more than 2 times, it fails. In fact not giving an error but confirm button blocked so I can't make the trial more 2. What are the possible reasons for this?


Tags: NI Software

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