since update all titles in mail are corrupted
just had an automatic update on Mac OSX and now all titles on my mail site are a series of boxes with the letter A in them. All the messages are OK except the titles?? I am in NZ and using Spark for the Xtra mail server. Any Ideas
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Please see if this related question helps.
thanks but none of this has solved the problem. welcome any other ideas
Here are more instructions on the sandbox issue;
This can happen when Firefox has a problem to access locally installed fonts because of sandbox security issues. https://wiki.mozilla.org/Security/Sandbox
You can set this pref to 2 or 1 on the about:config page to lower the sandbox security setting.
security.sandbox.content.level = 1
close and restart Firefox to make the change effective.
If '1' still doesn't have effect then try '0' to disable the sandbox.
If this didn't work then undo/reverse the change and reset the pref via the right-click context menu to the default value.
Type about:config<enter> in the address bar. If a warning screen comes up, press the I Accept the Risk button. At the top of the screen is a search bar.