我研究了一下才知道原来是HP Laptop的HP Security Tool Manager服务的问题弄乱了系统密码，SQL安装程序和集成服务目录，我从PC上卸载了它，现在我的问题解决了..

I researched little bit and then I came to know it was actually the problem of HP Security Tool Manager service of HP Laptop which was messing with the password of system,SQL Setup and catalog of Integration Service,I uninstalled it from PC and now my problem is resolved..