Some developers use VI Server calls to iterate through possible password strings programmatically. Official Recommendations for Lost Passwords
Many sites claiming to offer "cracks" or "password removers" are fronts for distributing malicious software.
While there is no official online tool from National Instruments (NI) for password recovery, several third-party community resources and manual methods exist to help you regain access to a protected Virtual Instrument (VI) National Instruments Third-Party Online Recovery Tools
: It stores a set of hashes derived from the password and a "salt" embedded within the VI file.