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Error message window with gibberish pops up at start up - Mac

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For the past 6 months or so, at start up keep getting this error message window when I start my iMac. Has gibberish in it: "Bookmark88" (then symbols/gibberish). Below that line: "ApplicationsThunderbird.app" (and then symbols/gibberish). Below that line: "Mactinosh HD" (then symbols/gibberish). Below that line: "Thunderbird" (then gibberish). Literally pages and pages when I try to scroll through to get a clue as to what this is so I can fix the problem and stop getting this window.

Thunderbird has crashed during this time. I've reinstalled and still get this window - Have OS YOSEMITE 10.10.4, iMac 2009; Processor 2.8 GHz Intel Core i7. thanks for your help.

For the past 6 months or so, at start up keep getting this error message window when I start my iMac. Has gibberish in it: "Bookmark88" (then symbols/gibberish). Below that line: "ApplicationsThunderbird.app" (and then symbols/gibberish). Below that line: "Mactinosh HD" (then symbols/gibberish). Below that line: "Thunderbird" (then gibberish). Literally pages and pages when I try to scroll through to get a clue as to what this is so I can fix the problem and stop getting this window. Thunderbird has crashed during this time. I've reinstalled and still get this window - Have OS YOSEMITE 10.10.4, iMac 2009; Processor 2.8 GHz Intel Core i7. thanks for your help.
Iqhotyoshelwe imifanekiso ekwisikrini

Isisombulu esikhethiweyo

All I can say is that is not normal. It is also not something I have ever heard of in Support either.

If you locate the Thunderbird executable on the hard disk and double click it, does that dialog appear? I am wondering if it is the link OSX is using that might be crook

Funda le mpendulo kwimeko leyo 👍 1

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Isisombululo esiKhethiweyo

All I can say is that is not normal. It is also not something I have ever heard of in Support either.

If you locate the Thunderbird executable on the hard disk and double click it, does that dialog appear? I am wondering if it is the link OSX is using that might be crook

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No. So then I deleted the alias icon thinking maybe it wasn't directing right or corrupted. So far, it's opened without that dialog box. Only 2 times so far. Will email again if it comes back. Thanks.

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Unfortunately, the error window came back when I restarted the computer. (on the prior attempts, had only exited Thunderbird...