solved it! I need to close the key first
import ntsecuritycon import win32security import win32api import _winreg import win32con flags = ntsecuritycon.TOKEN_ADJUST_PRIVILEGES | ntsecuritycon.TOKEN_QUERY htoken = win32security.OpenProcessToken(win32api.GetCurrentProcess(), flags) Loadid = win32security.LookupPrivilegeValue(None, 'SeRestorePrivilege') Saveid = win32security.LookupPrivilegeValue(None, 'SeBackupPrivilege') LoadPrivilege = [(Loadid, ntsecuritycon.SE_PRIVILEGE_ENABLED)] SavePrivilege = [(Saveid, ntsecuritycon.SE_PRIVILEGE_ENABLED)] win32security.AdjustTokenPrivileges(htoken, 0, LoadPrivilege) win32security.AdjustTokenPrivileges(htoken, 0, SavePrivilege) key = _winreg.HKEY_USERS hkey = win32api.RegLoadKey(key,'Marc','c:\\ntuser.dat') okey = win32api.RegOpenKeyEx(key,'Marc\\test',0,win32con.KEY_SET_VALUE) win32api.RegSetValueEx(okey,'test',0,_winreg.REG_DWORD,0) win32api.RegCloseKey(okey) win32api.RegUnLoadKey(key,'Marc') -- http://mail.python.org/mailman/listinfo/python-list
