Windows 7: Not connect to internet:Dependency group or service failed to start

2012-12-18 18:34:04, Info                  CSI    000002ea [SR] Verify complete
2012-12-18 18:34:04, Info                  CSI    000002eb [SR] Repairing 1 components
2012-12-18 18:34:04, Info                  CSI    000002ec [SR] Beginning Verify and Repair transaction
2012-12-18 18:34:04, Info                  CSI    000002ed Hashes for file member \??\C:\Windows\System32\nlasvc.dll do not match actual file [l:20{10}]"nlasvc.dll" :
  Found: {l:32 b:oCeuCONwWDFsAE150DgUn/niM8Hszh1nKrX+VcOys60=} Expected: {l:32 b:4j8ySRNVSiPNBD3SfUMFr2L0jAVhoPx7eBHlW3Sxvnk=}
2012-12-18 18:34:04, Info                  CSI    000002ee [SR] Repairing corrupted file [ml:520{260},l:46{23}]"\??\C:\Windows\System32"\[l:20{10}]"nlasvc.dll" from store
2012-12-18 18:34:04, Info                  CSI    000002ef Repair results created:
POQ 123 starts:
     0: Move File: Source = [l:192{96}]"\SystemRoot\WinSxS\Temp\PendingRenames\9007802a78ddcd01a8360000ac1d901c._0000000000000000.cdf-ms", Destination = [l:104{52}]"\SystemRoot\WinSxS\FileMaps\_0000000000000000.cdf-ms"
    1: Move File: Source = [l:162{81}]"\SystemRoot\WinSxS\Temp\PendingRenames\a12e802a78ddcd01a9360000ac1d901c.$$.cdf-ms", Destination = [l:74{37}]"\SystemRoot\WinSxS\FileMaps\$$.cdf-ms"
    2: Move File: Source = [l:214{107}]"\SystemRoot\WinSxS\Temp\PendingRenames\7ae5862a78ddcd01aa360000ac1d901c.$$_system32_21f9a9c4a2f8b514.cdf-ms", Destination = [l:126{63}]"\SystemRoot\WinSxS\FileMaps\$$_system32_21f9a9c4a2f8b514.cdf-ms"
    3: Hard Link File: Source = [l:228{114}]"\SystemRoot\WinSxS\amd64_microsoft-windows-nlasvc_31bf3856ad364e35_6.1.7601.17964_none_c575f33221b24ff7\nlasvc.dll", Destination = [l:68{34}]"\??\C:\Windows\System32\nlasvc.dll"
POQ 123 ends.