以下内容放入文本文件，存为reg后缀。双击运行即可。 Windows Registry Editor Version 5.00 ;PNG file association fix for Windows XP ;Created on May 17, 2007 by Ramesh Srinivasan [HKEY_CLASSES_ROOT.PNG] "PerceivedType"="image" @="pngfile" "Content Type"="image/png" [HKEY_CLASSES_ROOT.PNGPersistentHandler] @="{098f2470-bae0-11cd-b579-08002b30bfeb}" [HKEY_CLASSES_ROOTpngfile] @="PNG Image" "EditFlags"=dword:00010000 "FriendlyTypeName"=hex(2):40,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,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,00,73,00,68,00,69,00,6d,00,67,00,76,00,77,00,2e,00,64,00,6c,00,6c, 00,2c,00,2d,00,33,00,30,00,35,00,00,00 "ImageOptionFlags"=dword:00000003 [HKEY_CLASSES_ROOTpngfileCLSID] @="{25336920-03F9-11cf-8FD0-00AA00686F13}" [HKEY_CLASSES_ROOTpngfileDefaultIcon] @="shimgvw.dll,2" [HKEY_CLASSES_ROOTpngfileshell] @="open" [HKEY_CLASSES_ROOTpngfileshellopen] "MuiVerb"="@shimgvw.dll,-550" [HKEY_CLASSES_ROOTpngfileshellopencommand] @="rundll32.exe C:\WINDOWS\system32\shimgvw.dll,ImageView_Fullscreen %1" [HKEY_CLASSES_ROOTpngfileshellopenDropTarget] "Clsid"="{E84FDA7C-1D6A-45F6-B725-CB260C236066}" [HKEY_CLASSES_ROOTpngfileshellprintto] [HKEY_CLASSES_ROOTpngfileshellprinttocommand] @="rundll32.exe C:\WINDOWS\system32\shimgvw.dll,ImageView_PrintTo /pt "%1" "%2" "%3" "%4"" [HKEY_CLASSES_ROOTSystemFileAssociations.PNG] "ImageOptionFlags"=dword:00000003 [-HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerFileExts.PNG] [-HKEY_CLASSES_ROOTMimeDatabaseContent Typeimage/x-png] [-HKEY_CLASSES_ROOTMimeDatabaseContent Typeimage/png] [HKEY_CLASSES_ROOTMimeDatabaseContent Typeimage/x-png] "Extension"=".png" "Image Filter CLSID"="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}" [HKEY_CLASSES_ROOTMimeDatabaseContent Typeimage/x-pngBits] "0"=hex:08,00,00,00,ff,ff,ff,ff,ff,ff,ff,ff,89,50,4e,47,0d,0a,1a,0a [HKEY_CLASSES_ROOTMimeDatabaseContent Typeimage/png] "Extension"=".png" "Image Filter CLSID"="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}" [HKEY_CLASSES_ROOTMimeDatabaseContent Typeimage/pngBits] "0"=hex:08,00,00,00,ff,ff,ff,ff,ff,ff,ff,ff,89,50,4e,47,0d,0a,1a,0a [HKEY_CLASSES_ROOTCLSID{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}] @="CoPNGFilter Class" [HKEY_CLASSES_ROOTCLSID{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}InProcServer32] @="C:\WINDOWS\system32\pngfilt.dll" "ThreadingModel"="Both" [HKEY_CLASSES_ROOTCLSID{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}ProgID] @="PNGFilter.CoPNGFilter.1" [HKEY_CLASSES_ROOTPNGFilter.CoPNGFilter] @="CoPNGFilter Class" [HKEY_CLASSES_ROOTPNGFilter.CoPNGFilterCLSID] @="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}" [HKEY_CLASSES_ROOTPNGFilter.CoPNGFilter.1] @="CoPNGFilter Class" [HKEY_CLASSES_ROOTPNGFilter.CoPNGFilter.1CLSID] @="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}"