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This extension failed to modify a network request because the modification conflicted with another extension.
How do I know which extension is in conflict ?
I started getting this too, after I upgraded to Chrome 17. Disabling ABP then restarting it makes it go away for a bit.
This is http://crbug.com/111700
. Marking as Invalid - this is a Chrome issue and it doesn't look like there is anything I can do about it. This warning should be safe to ignore.