installshield - Installscript : How to close explorer windows without restart of explorer.exe process? -

is there anyway close explorer windows without restart of explorer.exe process?

context :- during un-installation of installshield based installer, had delete dll used show right click context menu files. during un-installation had delete dll. unfortunately getting locked explorer.exe.

is there anyway close explorer windows without restart of explorer.exe process?

i'm sure call findwindow , use sendmessage close explorer windows explorer.exe process still running , you'll still have file lock.

windows installer can delete locked files on reboot. if don't want reboot, you'll have kill , restart explorer.

i know of no other patterns here.

findwindow example

wm_syscommand message