Don't know cause but you could check HKEY with   RUN >  regedit & navigate to HKEY
HKEY_CURRENT_USER\Control Panel\Desktop
then scroll to  "Screen......."
should show
ScreenSaveActive              1
ScreenSaveIsSecure          0
ScreenSaveTimeout           (value in seconds)
SCRNSAVE.EXE                (the location of chosen Screen Saver)

See if settings change with different Timeout values.

Message Edited by gryjhnhpe on 03-16-2004 08:11 AM

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@gryjhnhpe wrote:

Don't know cause , but you could check HKEY by clicking the  "Start" button  >  RUN > & type
regedit
then press "Enter" key
to open Registry Editor , then click  "Edit" > "Find..." > & type scrnsave
then click "Find Next" 
this should find & show the Name "SCRNSAVE.EXE"
check the values shown.
HKEY_CURRENT_USER\Control Panel\Desktop
then scroll to  "Screen......."
should show
ScreenSaveActive              1
ScreenSaveIsSecure          0
ScreenSaveTimeout           (value in seconds)
SCRNSAVE.EXE                (the location of chosen Screen Saver)

See if changing the Screen Saver settings change the different Timeout values & other values.
Should only change the Timeout values.

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You could try running SFC , which checks protected System Files for corruption & if found replaces them from reinstall..XP CD .
If it prompts for XP CD , hold Shift key while inserting XP CD to stop Auto play.
Use Start > Run & type
sfc  /scannow  (space after sfc)
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You could also try a Windows Repair (not R for Recovery Console) from boot of XP CD.
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If the above doesn't fix problem you might have to wait until you next re-install XP OS from boot of XP CD.

In the mean time if you want to start a Screen Saver manually use Search , Advanced (1st 3 boxes ticked) for
*.scr
Right click on the appropriate file & select Create Shortcut (on Desktop).
Then when you want to start Screen Saver just double click on Desktop shortcut.

If you double click on the .scr files found by Search they will display Screen Saver to test.