in my add and remove program i cannot uninstall msn 7.5, so when i try to download it again i get this "error code 1635" how can i get msn 7.5 back?

Can you tell us what's the error message when trying to uninstall Messenger?

it reads "this patch package could not be opened.verify that the patch package exists and that you can access it,or contact the application vendor to verify that this is a valid windows installer patch package."

Well i've been searching the web for ages and can't seem to come across a solution. It seems there's a problem with the registry, therefore i'd try using a program like RegClean or Registry Machanic.

Hope that helps.

ive done the reg check and repair but to no avail,it hasnt fixed the problem,thanx anyway

So you have MSN Messenger 7.5 installed on your computer and you can't remove it. Well, you've tried uninstalling it, so how about manually removing it.

• First check in Task Manager that MSN Messenger isn't running.
  [Ctrl + Alt + Del, check in Processes for msnmsgr.exe, End Task if it's running]
  
  
• Go to C:\Program Files and delete the folder 'MSN Messenger'
  
  
• Then try installing again.

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Originally posted by Chris4
Then try installing again.

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thanx got windows registry cleaner and it cleared up the problem