Error Alert in the Eclipse Console

this:

[2011-01-19 12:25:46 - com.android.ide.eclipse.adt.internal.project.AndroidManifestHelper] Parser exception for C:\Praxiseinsatz\AndroidManifest.xml: Element or attribute do not match QName production: QNa开发者_运维知识库me::=(NCName':')?NCName.

This the alert I get no matter what I do in my android project.

When I try to start my app I am being given the alert:

The app has stopped working unexpectedly

and I am going nuts! I hope you can help me and tell me what to do :(

Productions are rules that specify syntax or "grammar". QName is the production for a name or an attribute in a tag, like "activity" in:

<activity .... >
    ...
</activity>

So there must be an error in one (or more) of them, like not prefixing a needed namespace

(Usually when I get some strange error I copy and paste it in google, in double quotes. I often find discussions about that.)