Windows 8.1 右键菜单“固定到开始屏幕”失效的注册表修复方案

Windows 8.1 升级后，右键菜单“固定到开始屏幕”可能因 PintoStartScreen 上下文菜单处理程序注册丢失而失效。通过导入完整注册表定义可重建所有文件类型（exe、文件夹、msc）及命令存储的关联，恢复功能。

修复注册表内容（保存为 PintoStartScreen.reg 导入）

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\exefile\shellex\ContextMenuHandlers\PintoStartScreen]
@="{470C0EBD-5D73-4d58-9CED-E91E22E23282}"

[HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\PintoStartScreen]
@="{470C0EBD-5D73-4d58-9CED-E91E22E23282}"

[HKEY_CLASSES_ROOT\mscfile\shellex\ContextMenuHandlers\PintoStartScreen]
@="{470C0EBD-5D73-4d58-9CED-E91E22E23282}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shellex\ContextMenuHandlers\PintoStartScreen]
@="{470C0EBD-5D73-4d58-9CED-E91E22E23282}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\PintoStartScreen]
@="{470C0EBD-5D73-4d58-9CED-E91E22E23282}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\mscfile\shellex\ContextMenuHandlers\PintoStartScreen]
@="{470C0EBD-5D73-4d58-9CED-E91E22E23282}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Windows.pintostartscreen]
"InvokeCommandOnSelection"=dword:00000001
"MUIVerb"="@shell32.dll,-51201"
"StaticVerbOnly"=""
"ResolveLinksQueryBehavior"=dword:00000000
"Description"="@shell32.dll,-51202"
"CanonicalName"="{d9a0b766-e16c-47c6-af87-85e427d2b9f5}"
"Icon"="imageres.dll,-5376"

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Windows.pintostartscreen]
"InvokeCommandOnSelection"=dword:00000001
"MUIVerb"="@shell32.dll,-51201"
"StaticVerbOnly"=""
"ResolveLinksQueryBehavior"=dword:00000000
"Description"="@shell32.dll,-51202"
"CanonicalName"="{d9a0b766-e16c-47c6-af87-85e427d2b9f5}"
"Icon"="imageres.dll,-5376"

注意：导入时若提示“没有相应的权限”可忽略；此修复对快捷方式（.lnk）无效，属预览版遗留 Bug，暂无完美方案。