not found 'System.Net.HttpStatusCode' error
To resolve the "Method not found: 'System.Net.HttpStatusCode'"
error either run Windows Update and install all the latest available
updates for Windows & Microsoft .Net Framework or install the
Microsoft .NET Framework 4 KB2468871 update.
the specific fix from
and copy and run the installation from your root C:\ folder on your
computer. This is a critical step to avoid any security issues
installing this update.
if using Windows 32-bit.
if using Windows 64-bit.
If you have problems installing the Microsoft
KB2468871 update that may be due to the presence of the
Microsoft .Net Client v4 Profile. Microsoft has discontinued the
.Net v4 Client profile and this should be removed from your
computer and replaced with the .Net Framework v4 "full"
From the Windows control panel
open Add/Remove Programs or Programs & Features and check that
the .Net Framework v4 client profile is
If it is installed then uninstall it.
try installing gSyncit. During the installation you may me asked
to install .Net v4 *full* Framework and asked again to install this specific patch from Microsoft.
The reason this works is that the .Net v4 Client Profile
the .Net v4 full installation conflict with one another. By removing
the now obsolete client profile and installing the .Net v4 full
profile allows this specific Microsoft Update to properly detect
the presence of the .Net v4 Framework so that this patch can be