This topic walks through the general procedure for manually uninstalling the SharePoint-side plugin. This process can be used in place of the automated uninstall discussed in Uninstalling the SharePoint-side Plugin.
To manually uninstall the SharePoint-side plugin, you need to deactivate the site collection features, deactivate the web application feature, retract the solution, and delete the solution. The following procedure shows you how to complete the manual uninstall.
If you get an error during web application feature deactivation, remove the following line of code from the C:\Inetpub\wwwroot\wss\VirtualDirectories\<port>\web.config SharePoint file where "<port>" is the port that web site runs under on the server.
<add name="JivePageController" type="Jive.SharePoint.Services.HttpModules.JiveSharePointHttpModule,Jive.SharePoint.Services,Version=1.0.0.0,Culture=neutral,PublicKeyToken=9df0a1232f502088" />
If you find this line in the web.config file, and you can't find the Jive.SharePoint.Services.dll in the Global Assembly Cache (C:\Windows\Assembly), SharePoint will be unaccessible for that web application