If you work in a room with ambient light hitting the screen, enable "Flare Correct" to adjust for reflections on the monitor surface.

Always start at the X-Rite Support Page . They maintain a library of legacy installers.

I can then give you the exact settings to use within the software for the most accurate results.

Note that newer hardware (i1Display Pro HL) now uses Calibrite PROFILER . If you have the newer "Calibrite" branded sensors, 1.8.3 may not recognize your device. Installation Tips for Better Performance

To make i1Profiler 1.8.3 run "better" than a standard installation, follow these steps:

For most photography workflows, D65 is the standard. However, if you are matching your screen to a specific paper, use the "Measure" function to find the white point of your paper stock. Troubleshooting Common Issues in 1.8.3

Some aggressive security suites block the high-level USB communication required for spectrophotometers during the install process.

To provide the best advice for your specific setup, could you tell me: What are you currently using?