System.Security.SecurityException

Question

Hi,

I have a windows form app which works OK on XP but when I try to run it on WIN 7 I got this error below. How can I fix this?

            1.0.0.0
            4f228bf4
            KERNELBASE.dll
            6.1.7601.17651
            4e2111c0
            e0434352
            0000d36f
            601c
            01ccdceaee2d9a3a
            C:Downloads\scvhost\scvhost.exe
            C:\Windows\system32\KERNELBASE.dll
            2de260ca-48de-11e1-8823-005056c00008
Application: scvhost.exe Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled exception. Exception Info: System.Security.SecurityException Stack: at System.ThrowHelper.ThrowSecurityException(System.ExceptionResource) at Microsoft.Win32.RegistryKey.OpenSubKey(System.String, Boolean) at Form1..ctor() at Program.Main()

    2734275560
            5
            CLR20r3
            Not available
            0
            scvhost.exe
            1.0.0.0
            4f210d67
            mscorlib
            2.0.0.0
            4e154c6c
            e5
            10
            System.Security.Security