Solved: Thumbnail view in windows XP

If the computer not showing the Thumbnail view of the image file, try the following steps to Re-enable Media Types Preview in Explorer
1. Click Start.
2. Select Run.
3. Type cmd in the box, It will open command prompt
4. "regsvr32 shmedia.dll " paste the command without quotes(") and enter
5. do same with "regsvr32 shimgvw.dll" and enter

:-)