why wont my programs open?

In some way your EXE file type association is lost, to restore it , use the file association fixer related to your windows edition

• WIN 7/VISTA Microsoft Tool or a non-microsoft fixer (see below)

http://support.microsoft.com/kb/950505

• WIN 7

http://www.sevenforums.com/tutorials/19449-default...

• WIN VISTA

http://www.vistax64.com/tutorials/233243-default-f...

• WIN XP

http://www.dougknox.com/xp/file_assoc.htm

Select from the list EXE FILE ASSOCIATION FIX

TIP: To give you an exact answer, It helps a lot if you give your software edition/version

This is due to the widows crash a file for automatically detecting the software to run.

When the small screen is coming, just check the checkbox messaging "Always use the selected program to open this kind of file". Next time you will not get such type of problems

placed the folder of archives on your application archives decrease than the call this is (ex: Google Toolbar) then open it and seem for a record that leads to .exe. Double click that and it is going to start. This wont artwork no rely if this is a copywrited application which includes MS place of work or homestead windows Vista

when the list of programs comes up click on the program that u want it to open in simple it will then work

if its a word document on the list there will be micorsoft wod click on that and thats it :) simple it will work

You haven`t changed the drive letter of your external drive by any chance, if you have the pointers in your registry will be poiting to the wrong drive.