None of my programs will open or run, cannot run the files downloaded from the internet, either to try to resolve it.

I am running windows XP Pro and am unable to open any programs at all.  I was uninstalling some programs add and remove applications in Control Panel and I think I deleted a necessary program, file or something because right afterwards none of files or programs would be open. I get the error the file extension that is not associated with this file. I can't open the system restore program to restore the computer to an earlier configuration. I tried to get a regestry cleaner to fix regestery errors, but none of those I work. I am able to get on the internet and e-mail but am afraid the computer because it cannot be started again. I tried to load a regestery cleaner from the internet but nothing will load or run it. Help!  I also tried to change the program that opens files, but went wrong, and now all files are associated with windows internet explorer 8. I have no idea how I did all this and come back to this computer from the place of the computer because the old hard drive died on me and they put in another. It was working fine until I felt the need to clear up disk space and delete some old programs. I'm sure I messed up and deleted a file that was necessary to open others. I don't have the XP disk to try a fix and nothing in the pages of microsoft download will run. Oh please I don't want to take that back to the computer type that will charge me an arm and a leg. I just made him pay $ 200 last week. Any help will be great.

Hello

·         Do you have an error message when you try to perform the system restore?

Follow these methods and check if that helps.

Method 1:

Step 1:

Follow the troubleshooting steps form the article and then try to perform the system restore and check if it helps.

How to change or choose the program that starts when you double-click a file in Windows XP

http://support.Microsoft.com/kb/307859

 

Step 2:

 

Steps of troubleshooting for problems when you try to use the System Restore tool in Windows XP

http://support.Microsoft.com/kb/302796

Method 2:

If the problem persists, I suggest that you try to perform system restore in Safe Mode and check if it helps.

How to restore Windows XP to a previous state

http://support.Microsoft.com/kb/306084

Tags: Windows

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