Problem uninstalling CS4 after installing CS5 - help!

I installed CS5 without a hitch.
I then tried to uninstall CS4. I opened Photoshop and chose Help/Deactivate, taking care to tick the serial number box too.
After the uninstall procedure, I got an message that it had completed but with errors.
In Control Panel/Programs, CS4 is still listed, but now showing only 3.77Mb instead of the 300Mb+ that it was.
I then downloaded Adobe Support Advisor and ran it. The diagnosis directed me to this Knowledge Base Article.......
http://kb2.adobe.com/cps/403/kb403891.html#ionComHeading
1. Can I get rid of what remains of CS4 in my Control Panel?
2. Will it affect my system in any way?
3. Will it affect CS5 in any way?
I've never had a problem uninstalling older versions in the past. Not a happy bunny at all!
Thanks.
D.
ps. I couldn't not insert the above link by right clicking and choosing insert link - had to type it by hand. But, the kb number (403891) is definitely correct.

I've never had a problem uninstalling older versions in the past.
...but then you probably obeyed the correct order in the first place. Anyway, there is no harm in leaving the remnants in place. you can of course make them disappear by removing the relevant registry key(s), but how important that little cosmetic surgery is to you, is for you to decide.
Mylenium

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Question 2: What is the best way to uninstall CS4?
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Would be curious to hear what happened with your uninstall. I encountered a similar situation, checked with NAPP due to the many problems I have had with Adobe Support. The uninstall almost worked.
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From NAPP:
You can uninstall through Start menu> Control Panel> Add and Remove Programs. But before you do, consider these steps:
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--Quit Photoshop CS4.
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Also check the other programs of the Creative Suite for custom templates and such that you want to save.
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Problem uninstalling CS4 after installing CS5 - help!

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