make a new text document, copy the following text and paste it into the document. save it as jpgfix.reg then double click to merge into the registry. Back up your registry first!
REGEDIT4
[HKEY_CLASSES_ROOT\.jfif\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.jfif\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.jpe\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.jpe\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.jpeg\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.jpeg\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.jpg\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.jpg\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.png\ShellEx]
@=""
stop copy here
If you cannot view .art, .bmp, gif etc. then do the same with the following text.
REGEDIT4
[HKEY_CLASSES_ROOT\.art\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.art\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.bmp\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.bmp\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.dib\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.dib\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.gif\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.gif\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.jfif\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.jfif\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.jpe\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.jpe\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.jpeg\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.jpeg\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.jpg\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.jpg\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.png\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.png\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.tif\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.tif\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.tiff\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.tiff\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.wmf\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.wmf\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{7376D660-C583-11d0-A3A5-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.cdr\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.cdr\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.cgm\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.cgm\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.dfx\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.dfx\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.drw\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.drw\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.emf\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.emf\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.eps\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.eps\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.pcd\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.pcd\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.pct\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.pct\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.pcx\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.pcx\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.tga\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.tga\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\.wpg\ShellEx]
@=""
[HKEY_CLASSES_ROOT\.wpg\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\Shell.ThumbnailExtract.Office.1\CLSID]
@="{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"
[HKEY_CLASSES_ROOT\CLSID\{1AEB1360-5AFC-11D0-B806-00C04FD706EC}]
@="Office Graphics Filters Thumbnail Extractor"
[HKEY_CLASSES_ROOT\CLSID\{1AEB1360-5AFC-11D0-B806-00C04FD706EC}\InprocServer32]
@="C:\\WINDOWS\\SYSTEM\\THUMBVW.DLL"
"ThreadingModel"="Apartment"
[HKEY_CLASSES_ROOT\CLSID\{1AEB1360-5AFC-11D0-B806-00C04FD706EC}\ProgID]
@="Shell.ThumbnailExtract.Office.1"
[HKEY_CLASSES_ROOT\CLSID\{1AEB1360-5AFC-11D0-B806-00C04FD706EC}\VersionIndependentProgID]
@="Shell.ThumbnailExtract.Office.1"
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Shell Extensions]
@=""
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved]
@=""
"{1AEB1360-5AFC-11D0-B806-00C04FD706EC}"="Office Graphics Filters Thumbnail Extractor"