1. Click Start and Run
2. Type into the Run box "services.msc" (without the quotation).
3. Scroll down and look for the service Wireless Zero Configuration
4. Make sure that it is Started and that the startup type is set to automatic.
No Windows Zero Configuration Service at all.
Use Windows regedit, drill down.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\WZCSVC
Add a DWORD entry named "Start" and value "2".
Note, if you are Not familiar with regedit do not try to use it without knowledgeable support.
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Helpful Links
http://technet.microsoft.com/en-gb/l.../bb878124.aspx
http://support.microsoft.com/kb/870702