Les mer her, eller kontakt oss på info (at) alfasoft.com.
Usually the cause for this error message is a lack of rights problem on the spw.ini file in your SigmaPlot user folder at Documents\SigmaPlot\SPW14_5.
Please make sure that you have full write access to that directory, and try again. You might need to talk to your IT-admins to change rights privileges for your Windows user profile.