Firefox appdata folder can't be opened?

I wanted to reinstall Firefox because I was having some problems, and when I tried to open it again, I got an error saying that "my profile could not be found". So, following the advice of others on here, I tried to open the Firefox appdata folder, but it refuses access. I can't open it, edit it, or delete it, so I can't edit the profile.
I'm logged in as an administrator, and it's the only folder doing this as far as I'm aware. Does anybody know what is happening, and how I can fix it?

That would be Windows 7 (NT 6.1) according to the System Details List.
If you do not have access to files or folders then try to take ownership of that folder.<br />
You may have to run Windows Explorer as Administrator.<br />
Be sure to check the location of the cache folder as well.
C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\Profiles\<profile>\
C:\Users\<user>\AppData\LocalMozilla\Firefox\Profiles\<profile>\

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Message was edited by: CtDave

Firefox appdata folder can't be opened?

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