When macOS Mojave was announced, Apple warned that it would be the last version of macOS that would support older 32-bit apps. Apple has been phasing out 32-bit apps for the last 10 years and is now ready to take the final step, even if Mac users may not be ready to lose access to older apps.
First: Make sure you have an up-to-date backup. Assuming no hard drive issues, this Sounds like Spotlight is having problems indexing. I have also seen slow app launching due to bad font caches. I assume that you have let the system run for a while so that Spotlight can. Nov 07, 2019 I installed Catalina 2 days ago and now my 2019 iMac is very slow, click to open an app, wait 4 or 5 seconds and nothing happens, then the spinning rainbow wheel of death appears for a few more seconds, then the app opens. This evens happens when opening. May 13, 2015 Hi guys. I have a Mini that will be 3 years old this August. It is the late 2012 one with 8 GB memory and a 500 HD. Everything on it has been really good until recently. I have it connected to my A/V receiver and it is basically a media consumption machine with Plex and Itunes on it. Jan 26, 2018 Office for Mac 2016 - All Programs Slow to Launch I'm running High Sierra (10.13.1) on my iMac and had been using Office for Mac 2011. I just installed Office for Mac 2016 and each of the programs I use (Word, Excel and Powerpoint) takes a long time to start-up. Aug 31, 2019 If you’re not sure which app has crashed, or you think one crashed in the background, launch Activity Monitor. Click the “CPU” tab and view the “% CPU” column in descending order. This way, the apps using the most processing power appear at the top.
With the release of macOS Catalina, 32-bit app support is no longer available, which means many of your older apps will no longer work if they haven't been updated to 64-bit.
32-bit vs. 64-bit
32-bit apps date back to a time when there were 32-bit processors and 32-bit operating systems, but are now outdated. Apple has long since transitioned to 64-bit processors and macOS has been 64-bit since the launch of Snow Leopard in 2009.
Compared to 32-bit apps, 64-bit apps can take advantage of more memory and offer faster system performance. Apple technologies like Metal only work with 64-bit apps, and for Apple to ensure that Mac apps include all of the latest advancements and optimizations, support for 32-bit needs to end. In the simplest terms, 32-bit apps are inefficient.
32-bit apps can run on a 64-bit system as they've been doing for years, but Apple wants to get rid of outdated apps to make sure everything that runs on the Mac is properly optimized and isn't an unnecessary drain on system resources.
Previous Warnings
Apple started warning Mac users about plans to end support for 32-bit apps back with macOS High Sierra. In High Sierra, users started getting warnings about a 32-bit app's future incompatibility with macOS.
A similar message was available in macOS Mojave, and if you opened up a 32-bit app while running Mojave, you saw an alert letting you know a specific app wouldn't work with future versions of macOS unless it was updated.
Alerts re-appeared every 30 days when launching an app, with Apple aiming to make sure customers would not be caught unaware when a 32-bit app stopped working in the future, so you should already know if one of your frequently used apps hasn't been upgraded to 64-bit.
Upon updating to macOS Catalina, you'll be shown a list of 32-bit apps that no longer work on your system.
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How to Check if an App is 32-Bit or 64-Bit in macOS Mojave
To determine whether an app is 64-bit or 32-bit and to see if there are 32-bit apps installed on your machine before upgrading to macOS Catalina, follow these steps:
- Click the Apple symbol () in the menu bar on your Mac's desktop.
- Click on About This Mac.
- Choose 'System Report' at the bottom of the window.
- Scroll down to the Software list on the sidebar.
- Select Legacy Software.'
Anything in the list of Legacy Software applications is a 32-bit app and will not work when upgrading to macOS Catalina.
If Legacy Software isn't an option in the sidebar, select the Applications option and then check the list of apps at the right. The column that's labeled 64-bit will show a 'No' listing for apps that are 32-bit.
How to Prepare to Update to macOS Catalina
The first step is to make sure there aren't already available updates for apps that you have on your system, which you can generally do by updating through the Mac App Store for Mac App Store apps.
Apps outside of the Mac App Store use other update methods that can vary by app, but for many, you can click on the app's name in the menu bar and choose the 'Check for Updates' option. Some other apps have more hidden update methods, so if you do have a 32-bit app, make sure to Google how to update it to be sure there's not already new software available.
After ensuring you've updated everything you're able to update, you can contact developers and ask them to update their apps, but if that doesn't pan out, the only other solution is to start the search for an alternative app if you're committed to upgrading to macOS Catalina or have already done so.
32-Bit App Warnings When Installing Catalina
When upgrading to macOS Catalina, the installer will show a list of recently used apps that are 32-bit so you know what to expect before installing.
After viewing this list, you can choose to either cancel or continue with the installation.
macOS Catalina also shows a stop symbol over the icon of 32-bit apps in the Finder, so you know that the app isn't going to open.
Aperture
With the release of macOS Catalina, Aperture is going to stop working. Apple warned Aperture users in April 2019 that the software won't run in future versions of macOS, starting with macOS Catalina.
If you're an Aperture user, you'll have to transition to alternate photo editing and management software, such as Adobe's Lightroom. Aperture is not 32-bit, but Apple is phasing it out all the same.
Affected Media Formats
Certain media files that use older formats and codecs are also not compatible with macOS after macOS Mojave due to the 64-bit transition, and you will need to convert some iMovie and Final Cut Pro X libraries. Incompatible media files were created using codecs that rely on QuickTime 7, and while macOS Mojave has QuickTime 7 frameworks, future versions of macOS will not.
Mac Mini Slow Launching Apps Free
Apple has a full list of media formats that are going to be affected by the transition available in a support document.
Continuing to Use 32-Bit Apps
In macOS Mojave and earlier versions of macOS like High Sierra, you can continue to use your 32-bit apps. If you have a 32-bit app that you absolutely depend on, you're going to want to think twice before upgrading to macOS Catalina.
Guide Feedback
Mac Mini Slow Launching Apps 2017
Have questions about the end of support for 32-bit apps or want to offer feedback on this guide? Send us an email here.
Did your mini come with Leopard installed, or did it have Tiger and you subsequently updated? If the latter, did you perform a default 'upgrade' install of Leopard or a complete erase and install. The reason for asking is that at the outset, there were a number of users who used the default upgrade to leopard and who subsequently found issues with their systems, much along the lunes of those you describe. In those instances, backing up data and then performing an erase and install of Leopard resolved almost all problems.
What applications do you have installed? Which do you use regularly? How many apps are you typically running at a time? How much free space do you have on your startup drive?
Of note, typically there is no reason to strip PPC binaries from applications - in all but a rare few instances, universal apps run on Intel hardware will only fire up Intel processes (though this can be checked by looking in Activity Monitor for a little peace of mind).
It's also possible for problematic fonts to cause poor system performance and instabilities - you can check for these and resolve duplicate fonts which are often caused by software installing their own libraries, using the Font Book (in Applications).
You might also find issues with Disk permissions or out of date prebinding, along with possible caching problems are capable of causing the set of broad issues you outline. It would do no harm to download a copy of a general maintenance utility such as YASU ( http://jimmitchelldesign.com/projects/yasu/) and running it with all tasks checked. Don't have any other application open or the system n use for anything else while using this kind of utility, and let the system restart after completion of the tasks. This will clear a number of potential problems, and while the system will reboot much more slowly than usual, and run sluggishly at first, it will generally perform a little better after that. YASU (and the other utilities of this type) are not for regular use however, so one pass is enough!
Mac Mini 2012 Running Slow
Jan 13, 2009 1:08 PM
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