The Windows Firewall blocks network share on Windows 7

I'm currently on Windows 7 Pro x 64.  I use the firewall of Windows of Microsoft Security Essentials and Microsoft.  No firewall AV or additional software is currently installed.  I regularly use the many Xbox 360 to stream media content of this machine on the home network.  In addition, I set up a homegroup to share resources such as printer and fileshares with other machines in the House.  It's all working perfectly until a few weeks ago.  No direct changes to installation other than updates of Microsoft, Adobe (Flash) and Oracle (Java).  Now, unless I turn off the Windows Firewall, my xboxs can not see the sharing machine, and no other network computers can print/share via homegroup.

Currently, discovery network, file sharing of printers and streaming media are disabled and cannot be reactivated.  Check the radio buttons on the first two, then clicking to save does nothing.  I get sent to the network and sharing Center screen, but when I check again options for change advanced sharing settings, the options are returned to the people with reduced mobility.  Media streaming from this screen says it is on (even if this is not the case), but when I select the option to change this, it says it is disabled (which is correct).  By selecting the option to turn on media streaming continuously, does nothing.  I can click constantly with no change.

I ran the Virus Scan free from Symantec online as long as complete system scan MSSE where each is an element, and in each case, the two elements have been removed (for the threat found by Symantec) NPE and (for the number found by MSSE) the MSSE tool.  I also run SFC/scannow and repaired the problem identified.  With two comprehensive analyses of each tool, I am sure that my machine is the threat and corruption free.

In addition, I went through the list of services recommended to 'start' and 'automatic' which was published MANY times by MANY people.  For clarity, I have all these started and set to automatic:

o computer browser
o Client DHCP
o customer DNS
o network connections
o knowledge of network locations
o remote procedure call (RPC)
o server
o support TCP/IP Netbios
o workstation

With all these started, I can not follow the discovery of the network, the file and printer sharing, and streaming media options running.  I also made sure upnp started as well.

I noticed, however, when I disabled the Windows Firewall, all options could be changed and stayed changed.  I added WMP to the firewall allow list and activated the firewall.  All options have yet.  In the firwall outgoing options are all set to allow, if incoming is currently refused saying "block all connections to programs that are not on the list of allowed programs."  It is the default state of Windows Firewall.

Run without AV and a FW is NOT an option.  Specifically, these are tools MS and should not conflict with these simple network features.

Help

I was able to solve the problem after a kick in the right direction of another user of the forum.  The 'general' advice give cannot solve the problem, but they are a good starting point if nothing else.  Please see this thread for the difficulty that I used:

http://social.technet.Microsoft.com/forums/en-us/w7itprosecurity/thread/2edd56f0-c00b-48f8-8812-6bd5b8ed33fa

Tags: Windows

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