Error – new_disprd failed with “Instrumentr Access Failed”

[idahosurge]

I just upgraded to a new PC.   I have a i1Display Pro and have been using Display Cal  since 2017, the version I am using on the old PC is v3.8.9.3.  I have never had an issue with using the i1DP in the past.

I just installed Display Cal v3.8.9.3 on the new PC.  Display Cal sees the i1DP, see attached picture. DPC 1.

I setup Display Cal the same as on the old PC.  I click the “Calibrate/Profile” button and the test box shows up.  In the test box I click on “Start Measurement” and the test box disappears and I get the error message shown in attached picture DPC 2 “Error – new_disprd failed with “Instruemnt Access Failed”.

Please help me get past this error message so I can calibrate my monitor.

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[idahosurge]

Never mind, found my solution in the below thread in this help forum:

ArgyllCMS issues with Windows 11 24H2 26100

[daviangel]

Yeah ArgyllCMS issues with Windows 11 24H2 since only happens with DisplayCAL. I also use SpectraView and ccStudio calibration software which don’t seem affected and work normally.

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