regedit открывается в блокноте

Ответ от Олег чернокнижников[гуру]
попробуйте запустить командную строку и тупо перенесто написанное ниже и сохраненное в текстовый документ Windows Registry Editor Version 5.00
;File association fix for [.LNK] - Windows 7
;
[HKEY_CLASSES_ROOT.LNK]
@="lnkfile"
[HKEY_CLASSES_ROOT.LNKShellEx{000214EE-0000-0000-C000-000000000046}]
@="{00021401-0000-0000-C000-000000000046}"
[HKEY_CLASSES_ROOT.LNKShellEx{000214F9-0000-0000-C000-000000000046}]
@="{00021401-0000-0000-C000-000000000046}"
[HKEY_CLASSES_ROOT.LNKShellEx{00021500-0000-0000-C000-000000000046}]
@="{00021401-0000-0000-C000-000000000046}"
[HKEY_CLASSES_ROOT.LNKShellEx{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{00021401-0000-0000-C000-000000000046}"
[HKEY_CLASSES_ROOT.LNKShellNew]
"Handler"="{ceefea1b-3e29-4ef1-b34c-fec79c4f70af}"
"IconPath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,
00,68,00,65,00,6c,00,6c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,2d,00,
31,00,36,00,37,00,36,00,39,00,00,00
"ItemName"="@shell32.dll,-30397"
"MenuText"="@shell32.dll,-30318"
"NullFile"=""
[HKEY_CLASSES_ROOT.LNKShellNewConfig]
"DontRename"=""
[HKEY_CLASSES_ROOTlnkfile]
@="Shortcut"
"EditFlags"=dword:00000001
"FriendlyTypeName"="@shell32.dll,-4153"
"IsShortcut"=""
"NeverShowExt"=""
[HKEY_CLASSES_ROOTlnkfileCLSID]
@="{00021401-0000-0000-C000-000000000046}"
[HKEY_CLASSES_ROOTlnkfileshellexContextMenuHandlersCompatibility]
@="{1d27f844-3a1f-4410-85ac-14651078412d}"
[HKEY_CLASSES_ROOTlnkfileshellexContextMenuHandlersOpenContainingFolderMenu]
@="{37ea3a21-7493-4208-a011-7f9ea79ce9f5}"
[HKEY_CLASSES_ROOTlnkfileshellexContextMenuHandlers{00021401-0000-0000-C000-000000000046}]
@=""
[HKEY_CLASSES_ROOTlnkfileshellexDropHandler]
@="{00021401-0000-0000-C000-000000000046}"
[HKEY_CLASSES_ROOTlnkfileshellexIconHandler]
@="{00021401-0000-0000-C000-000000000046}"
[HKEY_CLASSES_ROOTlnkfileshellexPropertySheetHandlersShimLayer Property Page]
@="{513D916F-2A8E-4F51-AEAB-0CBC76FB1AF8}"
[-HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerFileExts.LNKUserChoice]
[HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerFileExts.LNKOpenWithProgids]
"lnkfile"=hex(0):
олег чернокнижников
(72349)
А если переименовать в bat и запустить