我把war3.reg双击添加进了注册表 怎么删除它?以下是那个文件的内容。。。我貌似删除了却依然恢复不了画质

[HKEY_CURRENT_USER\Software\Blizzard Entertainment\Warcraft III]

[HKEY_CURRENT_USER\Software\Blizzard Entertainment\Warcraft III\Video]
"reswidth"=dword:00000280
"resheight"=dword:000001e0
"colordepth"=dword:00000010
"adapter"=dword:00000000
"refreshrate"=dword:0000003c
"gamma"=dword:0000001e
"modeldetail"=dword:00000000
"animquality"=dword:00000000
"texquality"=dword:00000000
"miplevel"=dword:00000001
"texcolordepth"=dword:00000010
"particles"=dword:00000000
"lights"=dword:00000000
"lockfb"=dword:00000001
"unitshadows"=dword:00000000
"occlusion"=dword:00000000

[HKEY_CURRENT_USER\Software\Blizzard Entertainment\Warcraft III\Sound]
"provider"=dword:00000001
"positional"=dword:00000000
"environmental"=dword:00000000
"music"=dword:00000000
"musicvolume"=dword:00000041
"sfx"=dword:00000000
"sfxvolume"=dword:00000064
"ambient"=dword:00000000
"movement"=dword:00000000
"unit"=dword:00000000
"subtitles"=dword:00000000
"nomidi"=dword:00000000
"softwaremidi"=dword:00000001
"nosoundwarn"=dword:00000001