Internet Explorer issues

How do you completely reinstall Internet Explorer after deleting the Internet Explorer folder in Program Files?

I copied and pasted one from a working comptuer but it is behaving abnormally. I also tried doing it in the Add/Remove components but it doesent work and we have IE7 installed but doesent show up in Add/Remove programs. I ran a regcleaner with no luck as well as the Cleanup Utility

Any suggestions?
snyderkvAsked:
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Leon TealeSenior Penetration TesterCommented:
do you have internet access on the promblem machine?
do you have any IE icons?

if not go to start -> 'run' -> type: www.google.com
if you do have IE working it will load up...that being the case, just re-download internet explorer, or firefox etc...
Mohamed OsamaSenior IT ConsultantCommented:
the easy way , install another web browser, Opera for example, then download Internet explorer from the below link

http://www.microsoft.com/windows/downloads/ie/getitnow.mspx

you can also insert your windows CD & run the below command in the run window

rundll32.exe setupapi,InstallHinfSection DefaultInstall 132  %windir%\inf\ie.inf


Or...

http://www.kellys-korner-xp.com/regs_edits/xp_run_ie_setup.vbs

you will need the Windows CD handy.

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jcimarronCommented:
snyderkv--As you have learned you cannot uninstall a program by deleting a folder.  There are many items in the Registry which also must be removed.  That is done by using an appropriate UNINSTALL procedure, such as from Add/Remove.  Or in the case of IE7 http://support.microsoft.com/kb/927177  See Method #2.
Do you have WinXP SP3?  Did you install SP3 after you installed IE7?  In order to uninstall IE7 in that case you may have to first uninstall SP3 though the spuninst.exe  procedure in #2 of the above link should work.
If that does not help, what to do?  The easiest would be to run a System Restore to a date before you removed IE.
The suggestions made by the other two responders could also help.  If you can reinstall IE you then could uninstall it properly.
snyderkvAuthor Commented:
Icemarron,

Yeah I know but I don't fully understand the interworkings of it. I figured I could copy and paste the same exact folders back in and all would be well.

jcimarronCommented:
snyderkv:--It is the Registry values which are not removed by just deleting files.  Similarly replacing the files from another source does not work because they do not match what is in your Registry.
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