Hi, First,i m a Chinese and my Eng is poor,but i really have a difficult question for your help !! The error is : STATUS_INVALID_PARAMETER_4:The given 32-Bit library does not exist! I'm doing a project with Easyhook, before yesterday,all things goes well,but a problem occur and i tried to fix it buf i failed. Then i find that the Filemon.exe Demo in my NetFX3.5/4.0 faced the same error. I have use the "gacutil.exe"cmd to install Easyload32/64.dll Easyhook.dll and the Fliemoninject.dll to the GAC and it does not work what i confused is not only my project crashed but also why your NetFx3.5/4.0 demo also meet the same error , even i have reunfold the EasyHook-2.7.5558.0-Binaries.zip. i have search for help online 2 days and my works delayed, information about this error is difficult to find . I really need your suggestion ,any suggestion will be appreciate!!!! Help me!! Please!! 63241099@qq.com