Why I see 2 other computers on my network?

I noticed in my network that there are 2 other computers and mine, in a "working group", but I'm an end user and I'm not part of a working group. This is a very recent appearance. I couldn't find a way to determine why I see other computers in this working group, and I can't find information on the activation or deactivation of "working group" on my system. I connect via the wireless router for my Internet service provider, and it's a bit confusing to me.

I had problems with slow browsers and I noticed in the performance monitoring that is spiking my CPU (dual core AMD 2 gig), and my use of memory (2 GB) is 50% or more almost constantly, but I can't see anything using resources in 'programs' or 'services '. I tried to eliminate all junk startup and uninstall all the frivolous programs. Of course, I'm still under a bunch of stuff, but I suspect that something is not right.

All the comments about the browser of fortification and slow CPU and if so or not, this could have something to do with the working group that I see?

Hello

If your wireless connection is not secure, it could be neighbors connecting to your Internet connection.

-------------------
Of the weaker for wireless security, more strong capacity is.

No security
Switch Off SSID (even has No Security. SSID can be sniffed easily even if it is turned off)
MAC Filtering___ (Band Aid if nothing else is available, MAC number can be easily Spoofed).
WEP64___ (Easy, "Break" by knowledgeable people).
WEP128___ (a little more difficult to activate, but "Piraté" too).
-------------------
The three above are not considered safe.
Safe starts here at WPA.
-------------------

WPA-PSK__(Very Hard to Break).
WPA-AES__(Not functionally Breakable)
WPA2___ (not functionally breakable).

Note 1: WPA - AES the current interpretation level entry of WPA2.

Documentation of your devices (router wireless and computer wireless card) must indicate the type of security that is available with your wireless hardware.

All devices MUST be set to the same level of security using the same password.
Therefore, security must be set according to what is the best possible one of the wireless devices.

I.e. even if most of your system may be able to be configured to the maximum with WPA2, but a device is able to be configured for maximum of the WEP Protocol, to the whole system must be configured to WEP.

If you need more security and a device (such as a wireless card that can only do WEP) is now better security for the entire network, replace with a better device.

Wireless Security - http://www.ezlan.net/Wireless_Security.html

Tags: Windows

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