You left out too much information, but try these...
1. Look up IEFIX at google.com and use it.
2. Fix XP Help with http://www.dougknox.com/xp/scripts_desc/fixwinxphelp.htm
3. http://www.dougknox.com/xp/scripts_desc/fix_xp_logon.htm May or may not be needed
4. And finally, the blank calendar fix
http://www.dougknox.com/xp/utils/xp_sysrestore_blank.htm
Bob
Ok, I've had a couple installation problems and I need to use system restore. Problem is, when I open system restore, the window is just blank. I've tried restarting with no luck.

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