Lets snooze your antivirus and firewall
MCAFEE SECURITY CENTER 7.1
Please navigate to the system tray and double-click the taskbar icon to open Security Center.
* Click Advanced Menu (bottom mid-left).
* Click Configure (left).
* Click Computer & Files (top left).
* VirusScan can be disabled in the right-hand module and set when it should resume or you can do that manually later on.
* Do the same via Internet & Network for Firewall Plus.
Click On Me
Are you running windows firewall ? if yes disable that and try again.
Also on Win7 click on Start>computer then right click on C drive>Share with>advanced sharing>Advanced sharing>Click on Share this folder Click on permissions click on everyone click on full control click ok, then exit (normally by clicking ok 2 or 3 times)