why is my pull down menu for the background options frozen?

How to get lock out from windows , First make sure under use account you
remove the following check marks >>> " Use the welcome screen " and " Use
fast user switching " then reboot your computer , Once back up again go to
the run command and enter CONTROL USERPASSWORDS2 Now

I recently upgraded to Genuine XP Pro w/SP2 I have an older Dell
Latitude with 256RAM 12G Hard drive.
I have tried to reinstall Civilization 3 on my computer but the CD
runs but does not install  and will not launch and I get the message:

I just loaded a new OS (Windows XP  - Home Edition) to replace Windows XP
Home Edition Upgrade from Windows ME.
I saved my .dbx files into a backup folder (Mail Backup) on another drive
prior to loading my new pure XP OS. In attempting to import into my new OE

I've just restored my pc to factory settings and noticed that when i'm on the
'all programs' list i right click and press open/explore nothing happens,
even though i'm expecting windows explorer to open.
Second question, just installed IE7 and the icon on the  start menu has

I have a user that had shoulder surgery and cannot reach the ctrl alt
delete key with one hand on a HP laptop.  Is there any way to
temporarily disable?
Thanks!

I tired installing Prince of Persia Sands of Time on my Pentium 3
computer and half way through the installing an error comes on and it
says Common File Error, Data Error:data2.cab and Error( cyclic
redundancy check). How can I fix the cyclic redundancy error problem?

I can not change my screen resolution When I go to properties click on
settings it will not let me move the resolution bar

after editing "htky -current user -microsoft-etc-run" and deleting unwanted
keys when I reboot they get rewritten to the registry, things like
"googletoolbar notification" etc. It is very annoying. Help anyone?

If I pin a shortcut to the startmenu, where does XP store this
information?
Is there a folder oder a registry key where these shortcuts are
stored?

I receive the following message when I try to start Windows XP:
"We apologize for the inconvenience, but Windows did not start
successfully.
A recent hardware or software change might have caused this.

I get this message on boot up "Windows Defender failed to initialize...seek
how fix manually using Help and Support."
Can anyone help me out with this?
Steve

Let me try keep to this simple & to the point :)
On attempting to uninstall Dreamweaver MX I got an error that I was missing
the Ctor.dll file.... I have managed to download that file...  then on re
attempting uninstall I got a new error from InstallShield Wizard:

XP Home always offers to "make your pictures smaller" when you click to send
them by e-mail.  Mine has suddenly stopped doing so.   When I click to e-mail
a picture it goes straight into an e-mail message without being reduced.  I
have no idea how to correct this (or what caused ...

I am receiving intermittent stop messages on my pc. The pc shuts down  & I
have to manually restart. The messages are varied, I can list them if
required. The system indicates that stopping bios caching or shadowing may
assist, but I am unsure how to do this ?