Deys

Hi all, I hope i can get help from you guys here and thanks a lot. I'm a software developers that working with C++. My problems is, after i finish my software development, i jump to testing phase and found a great problems that makes myself crazy, everything about my software is ok except uninstall mode.After i uninstall my software and then restart, when log on to windows password or desktop windows will automatically log off. it's very very weird because i already view my code and found no bugs and i did'nt use any core operating system module. My expected is maybe got something wrong with the windows registry because after i did this : Copy C:\windows\repair\system C:\windows\system32\config\system Copy C:\windows\repair\sam C:\windows\system32\config\sam Copy C:\windows\repair\default C:\windows\system32\config\default Copy C:\windows\repair\security C:\windows\system32\config\security Copy C:\windows\repair\software C:\windows\system32\config\software Windows will work as usual. But still i got know idea, because i cannot see where is the error. Please let me know how to solve this problems and exchange the idea with u guys. Thanks in advance.