Revert back to original settings done by the registry

paste following code in Notepad ans then save it with name “regdefault.reg” (including quotes). Then run the file and your settings will be reverted back to original:

Windows Registry Editor Version 5.00
[-HKEY_CLASSES_ROOT\AllFilesystemObjects\shellex\ContextMenuHandlers\Copy To]
[-HKEY_CLASSES_ROOT\AllFilesystemObjects\shellex\ContextMenuHandlers\Move To]
[-HKEY_CLASSES_ROOT\Directory\Shell\DosHere]
[-HKEY_CLASSES_ROOT\Drive\Shell\DosHere]
[HKEY_CURRENT_USER\Software\Microsoft\Notepad]
“StatusBar”=dword:00000000
[HKEY_CURRENT_USER\Software\Microsoft\Notepad]
“fWrap”=dword:00000000
[HKEY_CURRENT_USER\Control Panel\Desktop]
“AutoEndTasks”=”0′
“HungAppTimeout”=”20000′
“MenuShowDelay”=”400′
“WaitToKillAppTimeout”=”20000′
“LowLevelHooksTimeout”=”20000′
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
“NoLowDiskSpaceChecks”=dword:00000000
“ClearRecentDocsOnExit”=dword:00000000
“NoRecentDocsHistory”=hex:00,00,00,00
“LinkResolveIgnoreLinkInfo”=dword:00000000
“NoResolveSearch”=dword:00000000
“NoResolveTrack”=dword:00000000
“NoInternetOpenWith”=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control]
“WaitToKillServiceTimeout”=”20000"