Hi....
I not sure what anti virus you are running AVG or Symantec.If you are running two then they can cause conflicts,I suggest you remove one of them.
This will help you uninstall Mcafee use this guide.
https://hdc.tamu.edu/reference/docum...section_id=545
Have "Hijack This" fix all the following items in the list below by placing a check in the appropriate boxes.Confirm that you have only the listed ones checked, then press <Fix checked> and Close HJT.
O2 - BHO: (no name) - {1895564A-E7B0-8B1E-2F35-16CB6EB249F0} - (no file)
O2 - BHO: (no name) - {1F77B61D-BE6B-566C-C734-47786D31C70C} - (no file)
O2 - BHO: (no name) - {27CF61EF-9339-4F47-D27B-D56CF2005AF4} - (no file)
O2 - BHO: (no name) - {29E7FFD8-E6A5-9FCB-ED6E-4AAE63F4CAE9} - (no file)
O2 - BHO: (no name) - {2CC1F27E-9D52-7F02-7CDE-B6567A968820} - (no file)
O2 - BHO: (no name) - {33F7AF52-59AE-18A1-199E-661008AFF6BF} - (no file)
O2 - BHO: (no name) - {364A9AC1-833E-64D6-405B-D34483F166CF} - (no file)
O2 - BHO: (no name) - {405C427D-7AE4-A1A7-D322-793595EC6979} - (no file)
O2 - BHO: (no name) - {41E85D98-6F3B-5C26-6D90-5875C3B7B83A} - (no file)
O2 - BHO: (no name) - {41EADA53-9855-F5E4-A237-FA8F16993990} - (no file)
O3 - Toolbar: (no name) - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - (no file)
O23 - Service: McAfee WSC Integration (McDetect.exe) - McAfee, Inc - c:\program files\mcafee.com\agent\mcdetect.exe
O23 - Service: McAfee Task Scheduler (McTskshd.exe) - McAfee, Inc - c:\PROGRA~1\mcafee.com\agent\mctskshd.exe
O23 - Service: McAfee SecurityCenter Update Manager (mcupdmgr.exe) - McAfee, Inc - C:\PROGRA~1\McAfee.com\Agent\mcupdmgr.exe