delete residual windows files in 7

following lines will give ownership of the files or directory to the administrator in current windows

for files
takeown /f file_name /d y
icacls file_name /grant administrators:F

for directories
takeown /f directory_name /r /d y
icacls directory_name /grant administrators:F /t

http://www.blogsdna.com/2166/how-to-delete-undeletable-files-in-windows-7.htm

remote shutdown or restart windows 7

get process explorer
run it on remote machine
select shutdown or restart from pe menu

autostart adhoc wireless at startup in windows 7

http://myownblogtech.blogspot.com/2008/04/automatic-ad-hoc-in-vista.html

start the following at boot or logon
netsh wlan connect name=wireless

autologon in windows 7

http://www.windowsreference.com/windows-server-2008/how-to-enable-autologon-in-windows-7-windows-server-2008/

run following and untick password option
control userpasswords2