when start windows 7 it shows please wait and does like this
Please wait
preparing to configure windows
do not turn off computer
shutting down
starts again
Please wait
preparing to configure windows
100% competed
do not turn off computer
then changes to
configuring windows update
do not shuts down computer
shutting down
starts again
please wait
failure to configure updates
reverting changes
do not turn off computer
shutting down
and starts normally for user log in