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Get a null error every time I try to open a new window.

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catzmiaow
catzmiaow
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Every time I try to start Firefox or open a new window. I get the below error. This does not happen with explore or chrome.

[JavaScript Application] TypeError: xml is null

Every time I try to start Firefox or open a new window. I get the below error. This does not happen with explore or chrome. [JavaScript Application] TypeError: xml is null

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TonyE
TonyE
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This may be caused by a problem with an extension, to test this follow the procedure in the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article.