silly old sod, Try the following.
Click Start>Run then copy and paste or type in:
Note that the spacing is important.
If that doesn't correct the problem try
regsvr32 /i shimgvw.dll instead of regsvr32 shimgvw.dll
when i open my pictures all of the thumbnails have a picture of a sailing boat on them. when i try to open a thumbnail i get a message
''no preview available'' and i can't view any of my photos
some one please help a wrinkly old pensioner