Windows Live Messenger Could Not Log In on Windows 7

somehow my messenger couldn’t work

clicking details i saw Error: 81000306

did this

4. If you are using Windows Vista, disable the Auto Tuning Networking feature:

4.a. Click Start, click All Programs, click Accessories, and then right-click Command Prompt and choose Run as administrator.
4.b. Click Continue when Windows requests permission to continue.
4.c. At the command prompt, type the following command, and then press ENTER: netsh interface tcp set global autotuninglevel=disabled
Note: This command disables the Window Auto Tuning feature.

4.d. After you disable the Auto Tuning Networking feature, verify if you are able to sign into Messenger.

5. If you are still not able to sign into Windows Live Messenger then please re-enable this feature using the information below and then go to the next step.

Re-enable the Auto Tuning Networking feature by typing the following command at the command prompt, and then pressing ENTER:

netsh interface tcp set global autotuninglevel=normal

Note: This command enables Window Auto Tuning again so that you can take advantage of the network throughput performance increase it provides.

and now it works

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