Refprop 91 Install !!better!!

| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | “Setup cannot find REFPROP.lic” | License file is corrupted or not on accessible media. | Copy the .lic file to your Desktop, then browse to it during install. | | “Component MSCOMCTL.OCX not registered” | Missing common controls library. | Run Command Prompt as Admin and type: regsvr32 C:\Windows\SysWOW64\MSCOMCTL.OCX | | “Error 1935 during installation” | .NET Framework or VC++ runtime corruption. | Run Windows Update, then reinstall VC++ 2010 Redistributable. | | “Run-time error ‘53’: File not found” | Incorrect RPPROG environment variable. | Manually set the environment variable as shown in Step 4. |

: Ensure your PC runs a compatible Windows version (98, 2000, XP, Vista, 7, 8, or later). The program requires approximately of hard disk space. Run the Installer Place the REFPROP CD-ROM in your drive. , and type D:\NIST2391 with your specific CD drive letter). Follow the on-screen prompts to complete the setup. Default Directory : By default, the software installs to C:\Program Files\REFPROP refprop 91 install

Under , click Add new location and browse to your REFPROP folder (e.g., C:\Program Files\REFPROP ). Add-in Setup: Go to File > Options > Add-ins . | Error Message | Likely Cause | Solution