It's funny this happens. I have exactly the same model of laptop/operating system, and experience this same error message. I've tried to fix this before, checking for updates and contacting the manufacturer etc, but it still appears. I've also wondered why this make of laptop no longer appears in list of sales, even though ones older are still displayed :-(. This error is displayed under windows problems/solutions page too!

I'm experiencing the same problem with my Inspiron 1721 laptop. Although my laptop will shutdown for no reason after having it on for about 6 hours. I'm on the Internet when it shuts down and when I turn it back on it has the below message. I ran a diagnostic test on my WLAN card and it passed each one component. I'm not sure why this keeps happening. PLEASE HELP!!!!

Address a problem with your WLAN card

Your WLAN card has stopped working properly.

This is a network adapter that allows your computer to connect to a wireless network.

To find out if an updated version of your WLAN card is available, contact your device or computer manufacturer.

I'm having the same problem as you guys do. Do you guys have any idea what is the solution for this problem? My laptop is Dell Inspiron 1420.

I'm having the same annoying problem...i have a Dell inspirion 1720...it started doing this within a couple of months after I received it.  I would love to hear how to fix this.  Thanks.

Same exact problem here with my Inspiron 1525. No solution to be found!

Where the heck are the admistrators who have the answer to this problem that has been posted for TWO years now?!!

Today this message "Dell Wireless WLAN Clrd Wireless Network controller stopped working and was closed" won't go away. I close that message window and it pops up again.  I have been downloading drivers off the driver page in hopes of finding one that will shut this thing up! I have a 1390 wlan mini-card in my 1721 inspiron laptop. So far I am downloading R140747.exe and R151519.exe files. I'll let you know if any work.

http://support.dell.com/support/downloads/index.aspx?c=us&l=en&s=gen&~ck=anavml

suepyr,

Layoff have played it toll on the forums. Most of us here are Dell users, like you are.

Rick

I started getting the same message a few days ago. Uninstalled the driver and reinstalled it (but Dell site only shows driver for Vista, not Windows 7). Didn't work. Then had Windows search for a driver, and got a newer one from Broadcom. Still didn't work. I can close the Windows window, and keep it closed. Can also access the Internet. Is it a virus, as one posting from Google search suggested? Or just an annoyance?

May have just found my own answer ... If you're using the newest version of the free Avast! this might help you - it seems to have stopped the window from appearing for me (at least for now) ...

uninstall the behaviour shield element ?
Windows add remove programs, Avast xxx, click the Change/Remove button, click the Change section from the new window and uncheck the Behaviour Shield entry, OK your way out and reboot.