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Apple Computing Products:
macOS - Apps and Programs
Mail "Quit Unexpectedly"
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<blockquote data-quote="Randy B. Singer" data-source="post: 1942473" data-attributes="member: 190607"><p>That sort of behavior points to one of two types of problem. First would be a memory-related problem. At some point too much is fed into RAM, and poof, your program quits. It's either an overflow, or more likely a bad register in one of your RAM modules. The second possibility would be that something is loading in that is toxic, and causing a very hard crash. Possibly corrupted software.</p><p></p><p>Things to try:</p><p></p><p><span style="color: rgb(255, 255, 255)">Try uninstalling any third party anti-virus software that you have installed. (This will likely require the developer's uninstaller program to uninstall it completely. Get it from the developer's Web site.) Reboot and see if the problem is gone. (Some modern third party anti-virus programs interact directly with Mail (to catch viral e-mail), and negative interactions between the AV software and Mail have been known to happen.)</span></p><p></p><p>If that doesn't help, I would suspect that you might have problems with your Mac's physical RAM. It doesn't do the most thorough test, but since it's free try:</p><p></p><p>Apple Diagnostics</p><p><a href="https://support.apple.com/en-us/HT202731" target="_blank">https://support.apple.com/en-us/HT202731</a></p><p></p><p>Unfortunately, with the demise of Rember for recent Macs, I don't have a good recommendation for a modern, thorough, RAM tester.</p><p></p><p><span style="color: rgb(255, 255, 255)">If that doesn't help, a common Mail problem is receiving a corrupted/malicious e-mail that causes Mail to choke. Actually, it may not have ever made it to your Mac. It may be that it's on your mail provider's server and trying to read it causes your Mail program to crash. The way to deal with this is to log into your mail provider's mail server using the Web-based interface most ISP's provide and to delete the problematic e-mail manually. The problematic one is usually easy to spot. It's usually either very spammy or unreadable. If your ISP doesn't offer a Web interface, you can use:</span></p><p><span style="color: rgb(255, 255, 255)"></span></p><p><span style="color: rgb(255, 255, 255)">MyPOPBarrier (free):</span></p><p><span style="color: rgb(255, 255, 255)">[URL unfurl="true"]https://softwares.toroco.fr/site/MyPopBarrier_Pg.html[/URL]</span></p><p></p><p>If none of the above work, my recommendation is to do a complete reinstallation (in place; none of your data will be harmed, but you should do a full backup first just in case) of the Mac OS (which will also install a fresh copy of Mail). I know that this sounds extreme, but it is really quite easy. The thing is, you could chase after any number of solutions to your problem, taking hours and hours, and still not find the solution. A fresh copy of the OS, and of Mail, often fixes vexing problems with Mail and it's fairly quick and easy to do.</p><p></p><p>Reinstall macOS</p><p><a href="https://support.apple.com/guide/mac-help/reinstall-macos-mchlp1599/mac" target="_blank">https://support.apple.com/guide/mac-help/reinstall-macos-mchlp1599/mac</a></p></blockquote><p></p>
[QUOTE="Randy B. Singer, post: 1942473, member: 190607"] That sort of behavior points to one of two types of problem. First would be a memory-related problem. At some point too much is fed into RAM, and poof, your program quits. It's either an overflow, or more likely a bad register in one of your RAM modules. The second possibility would be that something is loading in that is toxic, and causing a very hard crash. Possibly corrupted software. Things to try: [COLOR=rgb(255, 255, 255)]Try uninstalling any third party anti-virus software that you have installed. (This will likely require the developer's uninstaller program to uninstall it completely. Get it from the developer's Web site.) Reboot and see if the problem is gone. (Some modern third party anti-virus programs interact directly with Mail (to catch viral e-mail), and negative interactions between the AV software and Mail have been known to happen.)[/COLOR] If that doesn't help, I would suspect that you might have problems with your Mac's physical RAM. It doesn't do the most thorough test, but since it's free try: Apple Diagnostics [URL code="true"]https://support.apple.com/en-us/HT202731[/URL] Unfortunately, with the demise of Rember for recent Macs, I don't have a good recommendation for a modern, thorough, RAM tester. [COLOR=rgb(255, 255, 255)]If that doesn't help, a common Mail problem is receiving a corrupted/malicious e-mail that causes Mail to choke. Actually, it may not have ever made it to your Mac. It may be that it's on your mail provider's server and trying to read it causes your Mail program to crash. The way to deal with this is to log into your mail provider's mail server using the Web-based interface most ISP's provide and to delete the problematic e-mail manually. The problematic one is usually easy to spot. It's usually either very spammy or unreadable. If your ISP doesn't offer a Web interface, you can use: MyPOPBarrier (free): [URL unfurl="true"]https://softwares.toroco.fr/site/MyPopBarrier_Pg.html[/URL][/COLOR] If none of the above work, my recommendation is to do a complete reinstallation (in place; none of your data will be harmed, but you should do a full backup first just in case) of the Mac OS (which will also install a fresh copy of Mail). I know that this sounds extreme, but it is really quite easy. The thing is, you could chase after any number of solutions to your problem, taking hours and hours, and still not find the solution. A fresh copy of the OS, and of Mail, often fixes vexing problems with Mail and it's fairly quick and easy to do. Reinstall macOS [URL code="true"]https://support.apple.com/guide/mac-help/reinstall-macos-mchlp1599/mac[/URL] [/QUOTE]
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Apple Computing Products:
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Mail "Quit Unexpectedly"
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