@echo off
echo Unregistering zipfolders...
regsvr32 -u c:\windows\system32\zipfldr.dll
echo Deleting .zip association...
reg delete HKCR\.zip  /va  /f 
echo Adding NoOpen to registry...
reg add HKCR\Applications\zipfldr.dll /v NoOpenWith /t REG_DWORD /d 1
echo done.