Parallels Desktop For Mac Getting Slower And Slower After Catalina

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Apple's latest version of macOS, Catalina, officially ditches 32-bit app support, but you can still run the software you need by following these steps.

Apple's latest version of macOS, 10.15 Catalina, looks a lot like earlier versions of the operating system, but is vastly different under the hood. The biggest change is that Apple ripped out all the code that, in earlier versions, made it possible to run older 32-bit apps in Apple's 64-bit operating system. Apple warned us years ago that this change was coming, and there's no doubt that an all-64-bit OS like Catalina is more efficient than an OS that runs both 32-bit and 64-bit code. Still, for many users, Catalina blocks apps that they've relied on for years. Here, we show you how to run 32-bit apps on an OS that isn't designed for them.

Sep 08, 2019  Catalina Desktop Support Catalina Desktop Guides Mojave Desktop Support Mojave Desktop Guides. Mac Pro Mods PowerMac G3 B&W PowerMac G4 PowerMac G4 Cube PowerMac G5 Others Retail Cases. Catalina and Parallels 14 Thread starter smstacy1; Start date Jul 30, 2019; smstacy1. Joined Mar 24, 2018. Even better if the Mac has solid state storage. But if you are for example running Parallels on an older Mac with 4GB RAM and a dual-core CPU off a hard drive, it is possible that running Windows inside OS X may be too high of a demand and it might seem slow.

Before you update to Catalina, find out whether you're using any 32-bit apps that you can't do without. The easiest way to do this is to click the Apple icon in the upper left, then About this Mac, then System Report, and scroll down to Software/Applications. Your Mac will take a while to gather information about your apps and then displays a list of all the apps on your machine. Find the column headed '64-bit (Intel)' and click on the column heading. All your 64-bit apps will show a Yes in this column. All the 32-bit apps will show a No. You may be surprised by how many 32-bit apps you have. Study this list, and if you find 32-bit apps that you need, you'll have to find a 64-bit update or replacement—or you can implement the workarounds below.

The 32-bit apps you find on your machine are typically of two kinds: older Mac apps that have been abandoned by their developers (or that developers are slow to update) and apps based on the Wine software project that lets Macs and Linux computers run Windows software. (Wine stands for 'Wine Is Not an Emulator,' but, effectively, it emulates Windows features so that Macs and Linux boxes can run some, but not all, Windows applications.)

SEE ALSO: Windows vs. MacOS vs. Chrome OS vs. Ubuntu Linux: Which Operating System Reigns Supreme?

If you need to run a 32-bit app, Apple unofficially recommends either that you keep an old Mac on hand that runs a pre-Catalina version of the OS or that you partition your current Mac so that it can start up with an older macOS version as well as Catalina. Both methods work, but both seem to me inconvenient and time consuming. There are, however, better alternatives.

The easiest method is this (but keep in mind that it costs money): Buy a copy of Parallels Desktop or VMware Fusion if you don't already own one. These prorgrams are designed mostly for running Windows on a Mac, but you can also use them to create a virtual machine that runs macOS in a window on your Mac desktop. Parallels is easiest to use, but VMware Fusion isn't far behind.

The steps are different depending on whether you're still running macOS Mojave or have already upgraded to Catalina. Let's start with the steps to take if you're still running Mojave. Each step corresponds to a screen in the slideshow.

1. Launch Parallels Desktop

From the File menu, choose New… to open the Installation Assistant panel. In the Free Systems section, scroll to the right and click Install macOS 10.14.6 Using the Recovery Partition. (It may show a different version number on your system.) If you've upgraded to Mojave from an earlier OS version, you may see options to install that earlier version. Choose whichever version you feel most comfortable with.

2. Create a New Virtual Machine

The next page in the Assistant is headed macOS 10.14.6. Click the Install button. Parallels launches the macOS installer and creates a new virtual machine. When it's done, you see a screen asking you which language to use to interact with your virtual Mac. Choose your preferred language and continue.

3. Prep the macOS Mojave Installation

The macOS Recovery Environment now opens in the virtual machine. (This is the screen that every Mac displays when you hold down Cmd-R at startup.) In the macOS Utilities menu, click Reinstall macOS. The next screen will offer to install macOS Mojave. Click Continue. On the license agreement screen, click Accept, and then click the Accept button in the pop-up menu.

4. Install macOS Mojave on the Virtual Disk

Don't be terrified by the next screen, which offers to install Mojave on a hard disk named Macintosh HD. This is not your Mac's hard disk, but a virtual hard disk in the virtual machine that Parallels created. Click Macintosh HD and then Continue. Now wait while Mojave installs itself on the virtual disk. This may take more than a half hour.

5. Set Up macOS Mojave

The virtual Mojave will display the same setup screens that the Mac normally displays when you install an OS.

6. Complete the macOS Mojave Installation

When the installation is complete, you'll see the default Mojave desktop. From your actual Mac's top menu (not the topline menu within the virtual machine) choose Actions, then Install Parallels Tools.

7. Install Parallels Tools

Follow the prompts to install the Parallels Tools in your virtual Mojave machine, and then restart the virtual machine.

8. Transfer Your 32-Bit Apps

Drag your 32-bit applications from your real Mac into the virtual Mojave system. Double-click them to run them. If you're running Mojave and not an earlier version, you'll see the familiar pop-up warning that your 32-bit is not optimized for macOS and will need to be updated. Ignore the warning.

9. Upgrade the OS

Now you can upgrade to Catalina. When the upgrade is complete, start Parallels Desktop and your virtual Mojave machine. (In this screenshot, Mojave is running at night, so it's showing the nighttime desktop image, but it's the same virtual machine shown in earlier screens. Here, I'm running a 32-bit app that won't run in Catalina itself.

10. Wrap It Up

With a 32-bit app running, go to the Parallels top menu and choose View/Enter Coherence. The 32-bit app appears in its own window on your Mac desktop, and a second top-line menu (the menu for the virtual Mac) appears beneath the top-line menu of your main macOS installation. As you can see in this window, my Mac is running Catalina, but a 32-bit app is running in a window that looks like any other app window. The virtual machine's dock is visible at the foot of the screen, but it's easy to turn that off from the virtual machine's System Preferences.

You can now explore the Parallels options for fine control over your apps and use the System Preferences app in the virtual Mojave to make one or more 32-bit apps start up automatically when the virtual machine is launched. (Go the Users & Groups preference pane, then the Login Items tab.)

Another Catalina Option

But what if you've already upgraded to Catalina, or you have a new mac that runs only Catalina, and you can't install Mojave into Parallels with your Mac's recovery partition. All is not lost. You'll need to download the Mojave installer from the Mac App Store and use it to install Mojave in Parallels.

Now that Catalina is released, Apple doesn't display an option to download Mojave from the App Store, but it's still on Apple's servers. If you search deeply enough on Apple's web site, you can find the web address that opens the App Store page where you can download the Mojave installer. I did the search so that you don't have to. Simply visit this Mojave page, and the App Store will offer the Mojave installer for downloading. Or, if you prefer to download and install the previous operating system, visit the High Sierra page.

Choose the cloud icon to download the installer. Your Mac will ask if you really want to download it; confirm that you do, and wait until it gets downloaded to your Applications folder. Don't run it! Instead, start Parallels Desktop, use the File/New… menu to open the Installation Assistant. Click on the center icon, 'Install Windows or other OS from a DVD or image file.' The next screen may show the Install macOS Mojave installer; if it doesn't, drag the Installer into the window and follow the prompts to create and use a Mojave virtual machine, as in steps 4 through 10 above.

If you have VMware Fusion, you'll need to use the same procedure whether or not you've updated to Catalina. Start Fusion, click New… on the menu to open the 'Select the Installation Method.' You'll see an option to 'Install macOS from the recovery partition.' Don't be tempted to use it, because it will tell you that it couldn't find any recovery partitions, even if you know perfectly well that a recovery partition is there. I've asked VMware about this bug, and maybe it will get fixed in a future version.

So, instead of using the Recovery Partition, you'll need to download a Mojave or High Sierra installer, as described above, and drag it into the Select the Installation Window. Follow the prompts to install a virtual machine. When the new virtual system starts up, use the Virtual Machine/Install VMware Tools menu to install the VMware Tools. After restarting the virtual machine, drag your 32-bit apps into it and run them in the same way you can run them in Parallels. VMware uses the name Unity for the same option that Parallels calls Coherence; it runs an app in a virtual machine in a way that looks as if the program is running in a window of your main macOS installation.

You Can Run Wine-Based Apps, Too

What if you're using a Wine-based app to run a Windows game or app? In almost every case, the Wine-based app won't run in Catalina. The easiest solution is to install Windows in Parallels Desktop or VMware Fusion and run the app in Windows. This costs money—you have to pay for a copy of Windows—and can be slow and complicated, but it's the only solution right now. The most prominent vendor of Wine-based software, CodeWeavers, plans to release a Catalina-compatible version, but the job isn't easy and it isn't clear when the new version will arrive.

There's one exception to the rule that Wine-based apps won't run in Catalina: If, and only if, you're running 64-bit Wine, and if, and only if, your Windows app is a 64-bit app and one that's simple enough to run under Wine, then Wine can run it in a window under Catalina. The most effective way I've found to accomplish this is to use the brilliant Wineskin Winery app—an open-source project by a programmer who uses the name doh123—in the form of its unofficial update by a programmer who uses the name Gcenx. (The original Wineskin Winery won't run under Catalina.) If there's enough interest in this subject, then we'll post a how-to guide here, but there are probably too few 64-bit Windows apps that are usable under Wine to make it worth your while. Interested readers can search for 'Unofficial Wineskin update' to get started, but be prepared to bang your head on the table a few times until you figure it out.

Apple hasn't made it easy to run 32-bit apps under Catalina, but it's still possible. If you've found other ways to make it happen, please let us know in the comment section below.

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Parallels Desktop For Mac Getting Slower And Slower After Catalina Bay

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MacOS Catalina is a significant upgrade and brings with it many improvements. But like every new OS, it’s not without its problems. One of those is that it causes some Macs to run more slowly than they did under Mojave. We know from the system requirements that it’s more demanding of resources than its predecessor, which is why it won’t run on some older Macs that could run Mojave. Happily, there are things you can do to boost performance. Here’s how to speed up Catalina.

macOS Catalina running slow: what do to?

To make macOS Catalina faster, you have to know what’s slowing it down. So do this:

  • Go to Applications>Utilities and launch Activity Monitor.
  • Click on the CPU column heading to order processes according to how many CPU cycles they are using.
  • If you see one that’s using a huge amount more CPU cycles more than anything else, that’s the problem. Use the Quit Process button to quit the process and speed up your Mac, or if it’s a browser tab causing the problem, just close it in the browser.
  • If the CPU column doesn’t reveal anything, do the same with the memory column and look to see if any process is using a huge chunk of RAM.

1. Stop applications launching at startup

If the speed problem you’re having is that your Mac takes much longer to startup now that you’ve installed Catalina, it could be because you have lots of applications that are automatically launching at startup. You can prevent them auto-starting like this:

  1. Click on the Apple menu and choose System Preferences.
  2. When it has launched, select the Users & Groups pane.
  3. Select your user account.
  4. Click the Login Items tab
  5. Check the box next to any items you want to prevent automatically running at startup.
  6. Press the ‘-‘ button at the bottom of the window.
  7. Quit System Preferences.

That’s the long way to get rid of startup items. There is a much quicker way that I prefer to use. CleanMyMac X has a tool that will quickly remove startup programs on Catalina. Here’s how to use it.

  • Download and install CleanMyMac X.
  • Launch it.
  • Choose the Optimization tool in the left hand sidebar.
  • Select Login Items
  • Check the box next to the ones you want to remove.
  • Press Remove.

2. Remove Launch agents

Launch agents are similar to startup items except that they are not full applications, they are additional programs that add functionality to a related application. They launch at startup and could be a reason Catalina i
s slow to boot. Unfortunately, tracking them down manually on your Mac is difficult and time consuming. However, happily, CleanMyMac X can do it for you. Here’s how to remove launch agents.

  1. Launch CleanMyMac X.
  2. Choose the Optimization tool, as you did for Login items.
  3. This time, choose Launch Agents.
  4. To disable a launch agent, click the green dot to the right of it.
  5. To remove a launch agent, check the box next to the launch agents you want to remove.
  6. Press Remove.

3. Close hundreds of tabs

Parallels Desktop For Mac Getting Slower And Slower After Catalina

Keeping lots of browser tabs open is convenient, but each one uses resources and they mount up. If, for example, a tab is displaying a page which has lots of animation or auto-running video on it, it will slow your Mac down. So close all the browser tabs you don’t need.

4. Take control of your Spotlight

If you have Spotlight set to its default, it will index every folder on your Mac, including those on external drives that are mounted. And indexing can slow down your Mac. You probably don’t need to search the contents of, say, your Downloads folder, or Library directory. Here’s how to exclude folders from Spotlight indexing.

  1. Go to the Apple menu and choose System Preferences.
  2. Select the Spotlight pane.
  3. Choose the Privacy tab.
  4. Press the ‘+’ to add folders to be excluded and then navigate to them, or just drag folders onto the window to exclude them.
  5. Quit System Preferences.

5. Update applications

Mac OS Catalina performance may get worse if applications on your Mac are out of date. Developers update applications regularly for all sorts of reasons. Most updates include bug fixes and performance improvements, so it’s important to keep them up to date. For apps that you download from the App Store, it’s easy. Just launch the App Store, go to Preferences and select Automatic Updates and your apps will always be up to date. For other apps, you’ll have to launch each one and check for updates from the application menu. Happily, there is a way you can update all your apps in one go using CleanMyMac X. Can you see how useful it is?

  • Launch CleanMyMac X
  • Select the Updater tool in the Applications section.
  • Press Select All.
  • Press Update.

6. Shut down your Mac regularly

Modern Macs, especially MacBooks, MacBook Airs, and MacBook Pros are designed to be able to run and run without being restarted, thanks to their low power sleep mode. However, shutting down you Mac does more than just conserve energy. It clears temporary files, like swap files that are used as virtual memory, and it frees up RAM. Restarting your Mac regularly will keep it running quickly and smoothly.

7. Add more RAM

Parallels Desktop For Mac Getting Slower And Slower After Catalina Bay

Sometimes, the only solution to fix macOS Catalina speed is to update your hardware. Adding more RAM will almost always make your Mac faster, whether it’s running Catalina or an older OS. If your Mac has RAM slots available and you can afford it, adding more RAM is a very worthwhile investment.

There are many tools that claim to speed up your Mac. Don’t believe apps that tell you that “your Mac is hijacked by virus” — this is a well-known scam. On the other hand, there are apps that help you better manage memory on Mac. For example, the app we’ve told you about, CleanMyMac X, has a tool called Speed that disables heavy-memory consumers. And this program is actually notarized by Apple.

Parallels Desktop For Mac Getting Slower And Slower After Catalina Island

  • Give it a go in a free version — no obligations:-)
  • Install the app and click Optimization
  • After running optimization tools, click the Maintenance tab

If macOS Catalina is very slow, there are lots of ways you can speed it up. Follow the steps above and it should be running smoothly in no time.

Parallels Desktop For Mac Getting Slower And Slower After Catalina Video

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