Es posible que sus tipos MIME no se configuren correctamente (probablemente debido a programas espía pasados o complementos fallidos).
Winhelponline tiene un artículo útil que incluye archivo de registro Usted puede descargar y fusionar para solucionarlo. (El archivo de registro asume que $ WINDOWS se encuentra en C :)
Configuraciones de Windows XP
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\.PNG\PersistentHandler]
@="{098f2470-bae0-11cd-b579-08002b30bfeb}"
[HKEY_CLASSES_ROOT\pngfile]
@="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_ROOT\pngfile\CLSID]
@="{25336920-03F9-11cf-8FD0-00AA00686F13}"
[HKEY_CLASSES_ROOT\pngfile\DefaultIcon]
@="shimgvw.dll,2"
[HKEY_CLASSES_ROOT\pngfile\shell]
@="open"
[HKEY_CLASSES_ROOT\pngfile\shell\open]
"MuiVerb"="@shimgvw.dll,-550"
[HKEY_CLASSES_ROOT\pngfile\shell\open\command]
@="rundll32.exe C:\\WINDOWS\\system32\\shimgvw.dll,ImageView_Fullscreen %1"
[HKEY_CLASSES_ROOT\pngfile\shell\open\DropTarget]
"Clsid"="{E84FDA7C-1D6A-45F6-B725-CB260C236066}"
[HKEY_CLASSES_ROOT\pngfile\shell\printto]
[HKEY_CLASSES_ROOT\pngfile\shell\printto\command]
@="rundll32.exe C:\\WINDOWS\\system32\\shimgvw.dll,ImageView_PrintTo /pt \"%1\" \"%2\" \"%3\" \"%4\""
[HKEY_CLASSES_ROOT\SystemFileAssociations\.PNG]
"ImageOptionFlags"=dword:00000003
[-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.PNG]
[-HKEY_CLASSES_ROOT\Mime\Database\Content Type\image/x-png]
[-HKEY_CLASSES_ROOT\Mime\Database\Content Type\image/png]
[HKEY_CLASSES_ROOT\Mime\Database\Content Type\image/x-png]
"Extension"=".png"
"Image Filter CLSID"="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}"
[HKEY_CLASSES_ROOT\Mime\Database\Content Type\image/x-png\Bits]
"0"=hex:08,00,00,00,ff,ff,ff,ff,ff,ff,ff,ff,89,50,4e,47,0d,0a,1a,0a
[HKEY_CLASSES_ROOT\Mime\Database\Content Type\image/png]
"Extension"=".png"
"Image Filter CLSID"="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}"
[HKEY_CLASSES_ROOT\Mime\Database\Content Type\image/png\Bits]
"0"=hex:08,00,00,00,ff,ff,ff,ff,ff,ff,ff,ff,89,50,4e,47,0d,0a,1a,0a
[HKEY_CLASSES_ROOT\CLSID\{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}]
@="CoPNGFilter Class"
[HKEY_CLASSES_ROOT\CLSID\{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}\InProcServer32]
@="C:\\WINDOWS\\system32\\pngfilt.dll"
"ThreadingModel"="Both"
[HKEY_CLASSES_ROOT\CLSID\{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}\ProgID]
@="PNGFilter.CoPNGFilter.1"
[HKEY_CLASSES_ROOT\PNGFilter.CoPNGFilter]
@="CoPNGFilter Class"
[HKEY_CLASSES_ROOT\PNGFilter.CoPNGFilter\CLSID]
@="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}"
[HKEY_CLASSES_ROOT\PNGFilter.CoPNGFilter.1]
@="CoPNGFilter Class"
[HKEY_CLASSES_ROOT\PNGFilter.CoPNGFilter.1\CLSID]
@="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}"
Configuraciones de VISTA
Windows Registry Editor Version 5.00
;PNG file association fix for Windows Vista
;Created on May 17, 2007 by Ramesh Srinivasan
[HKEY_CLASSES_ROOT\.png]
@="pngfile"
"Content Type"="image/png"
"PerceivedType"="image"
[HKEY_CLASSES_ROOT\.png\PersistentHandler]
@="{098f2470-bae0-11cd-b579-08002b30bfeb}"
[HKEY_CLASSES_ROOT\pngfile]
@="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,00,53,00,79,00,73,00,74,00,65,00,6d,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,00,33,00,30,00,35,00,39,00,38,00,00,00
"ImageOptionFlags"=dword:00000003
[HKEY_CLASSES_ROOT\pngfile\CLSID]
@="{25336920-03F9-11cf-8FD0-00AA00686F13}"
[HKEY_CLASSES_ROOT\pngfile\DefaultIcon]
@=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,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,69,00,6d,00,\
61,00,67,00,65,00,72,00,65,00,73,00,2e,00,64,00,6c,00,6c,00,2c,00,2d,00,38,\
00,33,00,00,00
[HKEY_CLASSES_ROOT\pngfile\shell]
[HKEY_CLASSES_ROOT\pngfile\shell\open]
"MuiVerb"=hex(2):40,00,25,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,\
69,00,6c,00,65,00,73,00,25,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,\
00,20,00,50,00,68,00,6f,00,74,00,6f,00,20,00,47,00,61,00,6c,00,6c,00,65,00,\
72,00,79,00,5c,00,70,00,68,00,6f,00,74,00,6f,00,76,00,69,00,65,00,77,00,65,\
00,72,00,2e,00,64,00,6c,00,6c,00,2c,00,2d,00,33,00,30,00,34,00,33,00,00,00
[HKEY_CLASSES_ROOT\pngfile\shell\open\command]
@=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,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,72,00,75,00,\
6e,00,64,00,6c,00,6c,00,33,00,32,00,2e,00,65,00,78,00,65,00,20,00,22,00,25,\
00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,69,00,6c,00,65,00,73,00,\
25,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,20,00,50,00,68,00,6f,\
00,74,00,6f,00,20,00,47,00,61,00,6c,00,6c,00,65,00,72,00,79,00,5c,00,50,00,\
68,00,6f,00,74,00,6f,00,56,00,69,00,65,00,77,00,65,00,72,00,2e,00,64,00,6c,\
00,6c,00,22,00,2c,00,20,00,49,00,6d,00,61,00,67,00,65,00,56,00,69,00,65,00,\
77,00,5f,00,46,00,75,00,6c,00,6c,00,73,00,63,00,72,00,65,00,65,00,6e,00,20,\
00,25,00,31,00,00,00
[HKEY_CLASSES_ROOT\pngfile\shell\open\DropTarget]
"Clsid"="{FFE2A43C-56B9-4bf5-9A79-CC6D4285608A}"
[HKEY_CLASSES_ROOT\pngfile\shell\printto]
[HKEY_CLASSES_ROOT\pngfile\shell\printto\command]
@=hex(2):22,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,\
00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,72,00,\
75,00,6e,00,64,00,6c,00,6c,00,33,00,32,00,2e,00,65,00,78,00,65,00,22,00,20,\
00,22,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,\
25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,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,00,22,00,2c,00,49,00,\
6d,00,61,00,67,00,65,00,56,00,69,00,65,00,77,00,5f,00,50,00,72,00,69,00,6e,\
00,74,00,54,00,6f,00,20,00,2f,00,70,00,74,00,20,00,22,00,25,00,31,00,22,00,\
20,00,22,00,25,00,32,00,22,00,20,00,22,00,25,00,33,00,22,00,20,00,22,00,25,\
00,34,00,22,00,00,00
[HKEY_CLASSES_ROOT\pngfile\shellex]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\image/x-png]
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\image/x-png]
"Extension"=".png"
"Image Filter CLSID"="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\image/x-png\Bits]
"0"=hex:08,00,00,00,ff,ff,ff,ff,ff,ff,ff,ff,89,50,4e,47,0d,0a,1a,0a
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\image/png]
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\image/png]
"Extension"=".png"
"Image Filter CLSID"="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\image/png\Bits]
"0"=hex:08,00,00,00,ff,ff,ff,ff,ff,ff,ff,ff,89,50,4e,47,0d,0a,1a,0a
[HKEY_CLASSES_ROOT\CLSID\{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}]
@="CoPNGFilter Class"
[HKEY_CLASSES_ROOT\CLSID\{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}\InprocServer32]
@="C:\\Windows\\system32\\pngfilt.dll"
"ThreadingModel"="Both"
[HKEY_CLASSES_ROOT\CLSID\{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}\ProgID]
@="PNGFilter.CoPNGFilter.1"
[HKEY_CLASSES_ROOT\PNGFilter.CoPNGFilter.1]
@="CoPNGFilter Class"
[HKEY_CLASSES_ROOT\PNGFilter.CoPNGFilter.1\CLSID]
@="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}"
[HKEY_CLASSES_ROOT\PNGFilter.CoPNGFilter]
@="CoPNGFilter Class"
[HKEY_CLASSES_ROOT\PNGFilter.CoPNGFilter\CLSID]
@="{A3CCEDF7-2DE2-11D0-86F4-00A0C913F750}"