hey i have encountered a similar problem but in .net 3.5. i have tried all the solutions mentioned here for .net 2.0 i.e. vs2005.. my app was developed in vs2003 v1.1 and then converted to vs2008 v3.5. earlier this problem was not there and the website was running w/o any glitch but this problem occurred suddenly a few weeks back.. i've been trying to solve it but in vain. can anyone please suggest what i should do?