Task manager does not end tasks

[nuflia]

hello
i have recently installed w7 beiside having xp installed lareday, xp has been working fine, i just wanted to try w7 , so i have dual OS , w7 looks nice but i have discoverd some bugs , the first one when i run some task like internet connection, i am using HUAWEI CDMA200 to connect to the net , with xp works fine, but with w7, sometimes the coonection to the internet dies, it is connected but actaully there is no data, whn i try to end the task , i mean disconnect and re-connect again, the task does not respond and if u leave it it will not respond till no end, so i have to log off and log on again which dose not solve the problem so i have to swirch-off w7 and star again, i do not know what is the problem , it is not happening with my internet coonection but alos with some programs like yahoo messanger , it is stuck and u can not end the task , i try end the process , it does not help, w7 is 64bits which i am using, does any one experince such problem with W7
ANY help will be appreciated
Yousif Elgaballi,,,nuflia, Libya

 

[silversurfernhs]

Try ending the process, if you can find it (under processes tab); this has a greater chance of working than ending the task

http://media.photobucket.com/image/windows%207%20task%20manager%20process%20tab/indyank/techbliss/windows-task-manager-vista.gif