Dell Support center is not installing

i am trying to install the Dell Support Center and each time i am getting no internet error message . I tried to run aulauncher in safemode with networking as well but getting same error message. i am also adding the logs any help will be appreciated .

***************************************************************Installation logs****************************************************************************************

2014-01-03 01:55:43 (INFO)- ***************************** AppUpdater logging configured for PID 8056
2014-01-03 01:55:43 (INFO)- Command Line: -install 6423 -vo title=install -n "My Dell" -noautolaunch -prompts Finished,NoUpdate,WindowsUpdate,Failure -s -precheck -check-run-again
2014-01-03 01:55:43 (INFO)- Current Working Directory = C:\Users\Ashu\AppData\Local\Temp\nss1FB2.tmp
2014-01-03 01:55:45 (INFO)- Command Line 'i' has build id: 6423
2014-01-03 01:55:45 (INFO)- Normal Contrast Mode Detected
2014-01-03 01:55:45 (INFO)- DownloadProtectedPublicKey(http://content.dellsupportcenter.com/mstr/current.xml)
2014-01-03 01:55:45 (INFO)- Normal Contrast Mode Detected
2014-01-03 01:56:57 (ERROR)- Failed to match a certificate in LocalMachine(PC-Doctor, Inc.) with protected(696760f2516971cd686cb869dc8899183444a3dd015849de0a26400af3ad833dffee3428c1dca13eafd06025ebce7c2dd175a33ee8421f181bc866603a7524aed706d3672230ea91a0b132ed1003b186d8dc5f0b046b76f4bc1d824edfadd816e3640b8e3ce9c4fae3cf4df005f04d64d4d638063a0596eb88efd33982dc72c1) public key(30819f300d06092a864886f70d010101050003818d0030818902818100d4f52e857307e55a7fd0fe8b54a2ce4d9a796973878eb942794494d17822f361942a16a2d003c9243fe73171541d440902cb3195cc554a4872d70b26a3a09bc13d1d3fc4066aeb12da960b6fa3c8dd6ec2ee25009218c39dd578c4cafb46283a767ba3c44fa14479fde3f6eb446b4d6311da0fa81ce85b9119e4dd6b75f3054d0203010001).
2014-01-03 01:56:57 (INFO)- ApplicationWorkerBase(appupdatercore.applicationworkers.CheckForUpdatesApplicationWorker).Dispose
2014-01-03 01:56:57 (INFO)- UserAction(Accept)^ taken under ApplicationViewState(CheckForUpdates)
2014-01-03 01:56:57 (INFO)- Normal Contrast Mode Detected

*********************************************************************************************************************************************************************

**********************************************************************************************************************************************************************

wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 228.2.2 - INFO - .OnInit - CMDLINE: "C:\Users\Ashu\Downloads\aulauncher.exe"
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 229.2.2 - INFO - Start aulauncher_6423_02.exe.exe -- logging initialized
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 231.2.2 - INFO - Spawn: 'false'
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 232.2.2 - INFO - Runonce: 'false'
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 233.2.2 - INFO - DontRegisterRunonce: 'false'
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 234.2.2 - INFO - LaunchedFromBrowserPlugin: 'false'
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 235.2.2 - INFO - BrowserParentId: ''
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 236.2.2 - INFO - RollbackFailed: 'false'
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 272.2.2 - INFO - Wrote Runonce key SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\DSC3 updater. The value=`'C:\Users\Ashu\Downloads\aulauncher.exe' /launchrunonce`
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 304.2.2 - INFO - include CUSTOM_PLUGIN_FILES_AU
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 305.1.2.2 - INFO - In CUSTOM_PLUGIN_FILES_AU macro
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 312.2.2.2 - INFO - DetectDSC2 returned ``
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 312.8.2.2 - INFO - Detect DSC3 for previous version result: error: Not found
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 312.28.2.2 - INFO - Final PreviousVersion:``
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 322.2.2 - INFO - Install dell_dellCodeSigning_1a95.cer result: success
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 333.2.2 - INFO - Install pcdcert.cer result: success
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 339.5.2.2 - INFO - Install dell_certfile.cer result: success
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 339.15.2.2 - INFO - Install pcdDellCert1946.cer result: success
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 354.2.2 - INFO - No previous PCD version found
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 393.2.2 - INFO - OUTDIR: C:\Users\Ashu\AppData\Local\Temp\nss1FB2.tmp
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 397.1.2.2 - INFO - In CUSTOM_FILES macro
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 397.3.2.2 - INFO - Calling bios-plugin::getSystemManufacturer
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 397.9.2.2 - INFO - manufacturer detected as: Dell Inc.
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 397.12.2.2 - INFO - compare result: 'Dell Inc.'
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 397.30.2.2 - INFO - Extracting DSC specific files
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 409.2.2 - INFO - UseSeedBdid: true
wrappers/aulauncher.nsi - 03/01/2014:1:55:42 PM - 453.2.2 - INFO - Execute: `"C:\Users\Ashu\AppData\Local\Temp\nss1FB2.tmp\appupdater.exe" -install 6423 -vo title=install -n "My Dell" -noautolaunch -prompts "Finished,NoUpdate,WindowsUpdate,Failure" -s -precheck -check-run-again`

*********************************************************************************************************************************************************************