@Philis,
This is what I was looking for I had over 800 temp files in Windows and all but 2 did delete. It shows how to do some good stuff to keep a smoothe PC.
Step 1
Click the Windows "Start" button. Move your
cursor to "Settings" and "Control Panel." Double-click to open "Control Panel."
Step 2
Double-click the "Internet Options" icon. Under "Temporary Internet Files," click "Delete files." Click "OK" to confirm. Click "OK" at the bottom of the Window. Once all files have been deleted, exit Control Panel.
Step 3
Select "Tools" and "Options" from the Firefox menu if you are using Mozilla Firefox as your Internet Browser. Click the "Network" tab. Click the "Clear Now" button in the "Cache" section.
Step 4
Press the "Start" button. Select "Run" from the menu. Type "cmd" in the Run box. At the prompt, type "ipconfig /flushdns." You will receive confirmation when the command runs successfully. Type "exit" after the command has completed.
Step 5
Right-click the "Start" button. Choose "Explore" from the menu. Double-click the "C;" drive. Navigate to the "Windows" folder and open it. Search for the "Temp" folder and double-click it.
Step 6
Choose "Edit" from the menu. Click "Select All." When all the temp files are highlighted, select "File" and "Delete" from the menu. Click "Yes" to verify that you want to delete all the files.
Read more:
How to Clear the Cache in Windows XP | eHow.com
http://www.ehow.com/how_2293053_clear-cache-windows-xp.html#ixzz0rnyx4SaM