F17 - font fille error

[Aaron Konstam]

In F17 I try toopen firefoc and evolutiom the screen goes black except
for a message in the top right corner of the screen:
Can't open font file True.
Otherwise the ,machine in locked. This does not happen alll the time.
Can someone explain this?
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A man who turns green has eschewed protein.
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Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam at sbcglobal.net