Troubleshooting missing network connection icons

If the Network Connection icons are missing, try the following to get them back:

NOTE Despite this issue, networking continues to function correctly, and the ipconfig command still shows all connection and all adapter information. However, dial-up users may not be able to initiate a connection due to missing icons.

You can still connect to (or disconnect from) the ISP using the RAS Phonebook. Follow these steps:

Click Start, Run and type:

C:\Documents and Settings\All Users\Application Data\Microsoft\Network\Connections\Pbk

Double-click the file named RASPHONE.PBK (Shows up as RASPHONE) and connect to the internet.

Click Start, Run and type CMD and press Enter
Run the following commands one-by-one and press Enter after each command:

regsvr32 netshell.dll
regsvr32 netcfgx.dll
regsvr32 netman.dll

If this does not help, try the steps listed in the Microsoft article: Q825826
[How to troubleshoot missing network connections icons in Windows Server 2003 and in Windows XP]