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<blockquote data-quote="Randy B. Singer" data-source="post: 1905953" data-attributes="member: 190607"><p>It's a good idea to keep Avast uninstalled forever. Avast does several malware-like things and is not to be trusted:</p><p></p><p>[URL unfurl="true"]https://www.vice.com/en_us/article/qjdkq7/avast-antivirus-sells-user-browsing-data-investigation[/URL]</p><p></p><p>[URL unfurl="true"]http://www.thesafemac.com/avast-installs-adware/[/URL]</p><p></p><p>[URL unfurl="true"]http://www.thesafemac.com/avasts-man-in-the-middle/[/URL]</p><p></p><p>Were you careful to uninstall Avast <strong><em>completely</em></strong>?</p><p></p><p>[URL unfurl="true"]https://support.avast.com/en-ww/article/Uninstall-Mac-Security/#:~:text=1%20To%20uninstall%20Avast%20Security%20from%20your%20Mac%3A,bar%2C%20select%20Applications%2C%20then%20double-click%20the%20Avast%20icon.[/URL]</p><p></p><p></p><p></p><p>That sounds highly unlikely. It just isn't a complaint that anyone ever has.</p><p></p><p></p><p></p><p>I kinda doubt that too. What you describe doesn't at all sound like a broken trackpad.</p><p></p><p></p><p></p><p>I suspect that you will just be throwing away money to no end if you do that.</p><p></p><p>It sounds more to me like you have software running in the background that is sapping CPU time. Do you have a typing lag in your word processor? Do you have other anti-virus software running, or some other disk utility that runs all the time?</p><p></p><p>Try this:</p><p></p><p>Go in to your Utilities folder and find Activity Monitor</p><p>Launch it and click on the CPU tab</p><p>Click on the %CPU column to sort things from most to least</p><p>What's at the top of the list? Is it using a lot of CPU? That may be the culprit.</p><p></p><p>If you can't narrow things down using the Activity Monitor, try this.</p><p>Restart in Safe Mode by booting with the shift key held down.</p><p></p><p>[URL unfurl="true"]https://www.unlockboot.com/boot-mac-in-safe-mode-why-when-to-use-it[/URL]</p><p></p><p>See if the problem is gone while running is Safe Mode. If it is, then the solution is to do a clean install of your system software, then only add back third party software one item at a time until you find what is causing the performance suck.</p></blockquote><p></p>
[QUOTE="Randy B. Singer, post: 1905953, member: 190607"] It's a good idea to keep Avast uninstalled forever. Avast does several malware-like things and is not to be trusted: [URL unfurl="true"]https://www.vice.com/en_us/article/qjdkq7/avast-antivirus-sells-user-browsing-data-investigation[/URL] [URL unfurl="true"]http://www.thesafemac.com/avast-installs-adware/[/URL] [URL unfurl="true"]http://www.thesafemac.com/avasts-man-in-the-middle/[/URL] Were you careful to uninstall Avast [B][I]completely[/I][/B]? [URL unfurl="true"]https://support.avast.com/en-ww/article/Uninstall-Mac-Security/#:~:text=1%20To%20uninstall%20Avast%20Security%20from%20your%20Mac%3A,bar%2C%20select%20Applications%2C%20then%20double-click%20the%20Avast%20icon.[/URL] That sounds highly unlikely. It just isn't a complaint that anyone ever has. I kinda doubt that too. What you describe doesn't at all sound like a broken trackpad. I suspect that you will just be throwing away money to no end if you do that. It sounds more to me like you have software running in the background that is sapping CPU time. Do you have a typing lag in your word processor? Do you have other anti-virus software running, or some other disk utility that runs all the time? Try this: Go in to your Utilities folder and find Activity Monitor Launch it and click on the CPU tab Click on the %CPU column to sort things from most to least What's at the top of the list? Is it using a lot of CPU? That may be the culprit. If you can't narrow things down using the Activity Monitor, try this. Restart in Safe Mode by booting with the shift key held down. [URL unfurl="true"]https://www.unlockboot.com/boot-mac-in-safe-mode-why-when-to-use-it[/URL] See if the problem is gone while running is Safe Mode. If it is, then the solution is to do a clean install of your system software, then only add back third party software one item at a time until you find what is causing the performance suck. [/QUOTE]
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