To install Client Service for NetWare
1. Open Network Connections.
2. Right-click a local area connection and then click Properties.
3. On the General tab, click Install.
4. In the Select Network Component Type dialog box, click Client, and then click Add.
5. In the Select Network Client dialog box, click Client Service for NetWare, and then click OK.
to uninstall :
Try this:
Control panel, network connections, right click on local area connection, click properties, click on general tab, scroll down to Client Services for Netware, and uninstall