Aug 28, 2020 • Filed to: Solve Mac Problems • Proven solutions

Click Cancel to abort the attempt to open the file, or click the Choose Application or Search App Store button to select another application to open this file. If you click the Choose Application button, a dialog appears (conveniently opened to your Applications folder). Applications that OS X doesn’t think can be used to open the file are. Launch EaseUS file recovery software, select the drive where you lost your data and click 'Scan'.

• Follow the steps to access 'Macintosh HD' again as you originally had it on your Mac: Open Finder and press Command, Open Sidebar option. Add your device name (Eg:- 'John's MacBook Air'). Now, go back to the Finder startup window. Click on Macintosh HD, and simply drag it.
• Some Mac owners have reported that the issue is only affecting a single app, whereas others are unable to open any apps downloaded from the Mac App Store. Whatever the symptoms, a simple delete and reinstall with the new certificate should fix the issue.
• Some Mac users say that they can't download programs from other website except Mac App Store, or they may can't be opened the download file. When they click on the download file, it says 'xxx can't be opened because it is from an unidentified developer'.For example.

At times, when using a Mac, “Preview” and “Safari” suddenly display and error message that it has stopped working. You cannot open images, PDF’s and other files when “Preview “stops working. The same applies to Safari. This article takes you through simple ways to fix the “Application Preview is not Open Anymore” error.

Part 1 - What Makes Application Not Open on Mac

An application will stop working on Mac due to several reasons including software malfunctions, compromised hardware, and low system memory among others. The error occurs when you are using one of the apps directly or through an associated application.

So what does it mean when an application is not open anymore?

Even though an application seems to be open, it becomes unresponsive. This means that you cannot save or edit your work, and you may have to start all over again after closing the app.

The error message may not pop up instantly, as the app tries to recover from the hanging state, and at such times, you will notice a small dot appearing below the app in the “Dock” section.

Why is the application Preview/Safari not responding?

One of the main reasons why the application is unresponsive is the corruption of application files by viruses. To avoid this, keep your Anti-Virus and anti-Malware tools updated at all times.

Hardware or software malfunctions with your macOS could also contribute to this error. This can be fixed by restarting the application or restarting the Mac.

Restarting an application or MacOS refreshes the file system and should fix any errors. This article will take you through simple steps that you should use to fix the “Application Preview is not Open Anymore” error.

Part 2 - How to Fix “The Application Preview Is Not Open Anymore”

Solution 1 - Force Quit Preview

/how-to-download-a-minecraft-world-mac.html. Although the error message indicates that the Preview is not open anymore, the app may be open but frozen and should be restarted.

There are 2 methods you can use to Force Quite Preview.

Method 1 – Close the Preview using the Force Quite Window.

Step 1 - Hit the “Cmd+Opt+Esc” keys to bring up the Force Quit window.

Step 2 - You may also access the window through by opening clicking on the Apple logo on the Menu Bar and select “Force Quit”.

Step 3 - Choose “Preview” from the applications list.

Step 4 - Click “Force Quit” and reboot your Mac.

Method 2 – Close the Preview using the Activity Monitor.

• Open the activity monitor using: Finder > Applications > Utilities > Launchpad > Other.
• Click on the CPU tab and then “Process Name”.
• Choose “Preview” from the processes list.
• Click on the “Stop” button in the top-left corner of the Activity Monitor.
• Choose “Force Quit” and reboot your Mac.

Solution 2 - Reboot Mac Computer

Rebooting your Mac resets all critical system files and fixes all errors because all application files are restarted in their normal, fault-free state.

Method 1 – Soft reboot your Mac

This is preferable since it does not cause errors to your files.

Step 1 - Go to “Menu > Shut Down”.

Step 2 - Uncheck the “Reopen windows when logging back in” box.

Step 3 - “Click “Shut Down” to confirm and let the Mac shut down completely.

Step 4 - Restart your Mac after 30 seconds.

Method 2 – Hard reboot your Mac

This forces the Mac to shut down without going through the normal shutdown process. This may lead to data loss, so save your files first.

Step 1 - Long Press the “Power” button for about 10 seconds or the screen goes off.

Step 2 - After 30 seconds, restart your Mac normally.

Step 3 - You will get an alert window; click on “Cancel” so apps are not reopened.

Solution 3 - Remove Preview Preferences

If you still get 'The Application Preview is not Open Anymore' error after using the two solutions above, there may be an issue with your preferences files, which MacOS uses to store settings for the application.

First back up your Mac before removing the preferences files. Alternatively, you can make a copy of your preferences file on your desktop. Go through the steps below and test the “Preview” app after each one.

Step 1 - Open Finder and then select “Go > Go to Folder” from the menu bar.

Step 2 - Enter ~/Library/Preferences/com.apple.Preview.plist followed by “Go”:

Step 3 - Make a copy of the file on your desktop for safety’s sake.

Step 4 - Now reboot your Mac and test “Preview” again.

Step 5 - Should the “Preview” show you the same error again, try any of the following files:
~/Library/Containers/com.apple.Preview
~/Library/Containers/com.apple.quicklook.ui.helper
~/Library/Preferences/com.apple.Preview.LSSharedFileList.plist
~/Library/Preferences/com.apple.Preview.SandboxedPersistentURLs.LSSharedFileList.plist
~/Library/Saved Application State/com.apple.Preview.savedState
Don’t forget to restart the Mac after each trial.

Solution 4 - Update/Reinstall Mac

Updating or reinstalling the macOS is the last step you should take when fixing 'The Application Preview is not Open Anymore' error. This will restore any corrupted files that may be causing the error.

Method 1 – Update to the latest macOS version

Step 1 - Connect your Mac to a Wi-Fi network.

Step 2 - Go to “System Preferences > Update Software”.

Step 3 - Download and install the selected updates.

Step 4 - Check the “Automatically keep my Mac up to date” box.

Method 2 – reinstall your MacOS

Reinstalling your MacOS gives a full new OS which is free from corrupted files which may cause errors.

Step 1 - Start off by creating a backup of your Mac using “Time Machine”.

Step 2 - Go to “Menu > Shut Down”.

Step 3 - Click “Shut Down” to confirm and let the Mac shut down completely.

Step 4 - Restart the Mac and install hold the “Cmd+R” keys.

Step 5 - Enter the “Recovery Mode” window and select “reinstall MacOS”.

Step 6 - To complete the reinstallation, simply follow the on-screen prompts.

Step 7 - After the reinstallation is complete reboot the Mac, open the “Preview” app, and see if the error has been solved.

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Part 3 - How to Fix “The Application Safari Is Not Open Anymore”

The ‘” Application Safari is not Open anymore” comes about when your Safari app hangs and cannot function anymore.

Solution 1 - Force Quit Safari

The 2 methods below can be used to Force Quit Safari:

Method 1 – Close Safari using the Force Quite Window.

Step 1 - Simultaneously press the “Cmd+Opt+Esc” keys to launch the Force Quit window.

Step 2 - Alternative use “Menu > Apple Logo> Force Quit”.

Step 3 - Select “Safari” from the applications list.

Step 4 - Choose “Force Quit” and reboot your Mac.

Method 2 – Close Safari using the Activity Monitor.

Step 1 - Open the activity monitor using any of these paths:

• Finder > Applications > Utilities.
• Launchpad > Other.

Step 2 - Select the CPU tab and followed by “Process Name”.

Step 3 - Select “Safari” from the list of processes.

Step 4 - Hit the “Stop” button in the Activity Monitor.

Step 5 - Select “Force Quit” before finally rebooting your Mac.

Solution 2 - Reboot Mac Computer

You can reboot your Mac using any of these steps:

Method 1 – Soft reboot your Mac

This is preferable since it does not cause errors to your files.

Step 1 - Navigate to “Menu > Shut Down”.

Step 2 - Remove the check in the “Reopen windows when logging back in” box.

Step 3 - Click “Shut Down” and wait for the Mac shut down.

Step 4 - Switch on your Mac after 30 seconds.

Method 2 – Hard reboot your Mac

Step 1 - Hit the “Power” button until the screen goes off.

Step 2 - Restart your Mac normally after half a minute.

Step 3 - Click on “Cancel” once the alert window appears. This stops other apps from restarting.

Solution 3 - Remove Safari Preferences

You can remove Safari preferences using the methods listed below. Check your Safari application after each step.

Step 1 - Go to Finder followed by “Go > Go to Folder”.

Step 2 - Type ~/Library/Preferences/com.apple.Safari.plist and then 'Go”:

Step 3 - Keep a copy of the file on the Desktop in case you need it again.

Step 4 - Now reboot your Mac and test “Safari” again.

Step 5 - Should the “Safari” show you the same error again, try any of the following files:
~/Library/Containers/com.apple.Safari
~/Library/Containers/com.apple.quicklook.ui.helper
~/Library/Preferences/com.apple.Safari.LSSharedFileList.plist
~/Library/Preferences/com.apple.Safari.SandboxedPersistentURLs.LSSharedFileList.plist
~/Library/Saved Application State/com.apple.Safari.savedState
Restart the Mac after each step.

Solution 4 - Update/Reinstall Mac

Reinstalling or updating macOS serves to replace any corrupted system files and fix “The Application Safari is not Open Anymore” error by.

Method 1 – Update to the latest macOS version

Step 1 - Connect your Mac to a strong Wi-Fi network.

Step 2 - Navigate to “System Preferences > Update Software”.

Step 3 - Download and install the listed updates.

Step 4 - Check the “Automatically keep my Mac up to date” box.

Method 2 – reinstall your MacOS

Start off by creating a backup of your Mac using “Time Machine”.

Step 1 -How to download tr_walkway tf2 mac. Navigate to “Menu > Apple Logo > Shut Down”.

Step 2 - Select “Shut Down” then let the Mac shut down completely.

Step 3 - Restart the Mac and then press the “Cmd+R” keys.

Step 4 - Go to the “Recovery Mode” window and choose “reinstall macOS”.

Step 5 - Follow the on-screen prompts to reinstall.

Error That Download Cannot Be Opened In Mac Shortcut

Step 6 - Reboot the Mac after the installation is complete. Now check on how your Safari performs.

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Part 4 - How to Prevent an Application Being Not Open

There are some things that you can do in order to avoid “The Application Preview/Safari is not Open Anymore” error:

• Make sure that your MacOS is always updated. Apple always releases fixes to reported bugs and issues, which are released frequently. Allow the Mac to update automatically and you will see fewer errors where applications freeze up.
• Make sure that you have updated Anti-Virus and Anti-Malware tools. This stops malicious software from corrupting your crucial files.
• Always ensure that you have a powerful file recovery tool with you. That way you can restore deleted files should such errors lead to data loss.
• Use your Time Machine to back up your data regularly. This helps in restoring your MacOS should there be a critical error that causes these applications to freeze up.

Regular updates MacOS and virus/malware protection tools are important. This way, your Mac stays refreshed and you will not get “The Application Preview/Safari is not Open Anymore” errors anymore.

Closing Words

When faced with “The Application Preview/Safari is not Open Anymore” error, use the methods laid out above to restore the functions of the stalled applications. Do not forget that any lost data or files can be easily reclaimed using Recoverit Mac Data Recovery.

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You receive an error when trying to update Acrobat or Reader.

Installing Adobe Reader DC is a two-step process. First, you download the installation package, and then you install Reader from that package file. You don't have to remove the older version of Reader if you are installing Reader. For step-by-step installation instructions, see Install Adobe Acrobat Reader DC Mac OS.

Acrobat Reader

• There is no uninstaller for Reader in Mac. You can directly delete the application from the Applications folder.
  

Acrobat DC

• Choose Applications > Adobe Acrobat DC, select the Acrobat DC Uninstaller, and double-click it.
  
• Follow the onscreen instructions to uninstall Acrobat.
  In the Authenticate dialog box, type the macOS user name and password for an administrator account and click OK.
  In case you do not remember your password, refer the Apple document: https://support.apple.com/en-in/HT202860.
  
• The uninstaller removes only Adobe Acrobat files from the system. It does not remove Acrobat Reader files, Acrobat user data, or files that are shared with other Adobe applications.

Do one of the followings to reinstall your application:

• Reader: Go to the Adobe Reader Downloads page and click Install Now.
  Refer the article Install Adobe Acrobat Reader DC Mac OS for detailed instructions.
  To install older versions of Reader, refer: Install an older version of Adobe Reader on Mac OS.
  
• Acrobat: Download Acrobat from the Acrobat downloads page. Click the installer to start the installation process.

Start Reader or Acrobat, and choose Help > Check For Updates to install the latest update to your product.

This solution works best for error 1301 but can be used to troubleshoot other updater error conditions. For instructions, see Enabling and using the 'root' user in Mac OS X on the Apple website.

After enabling the root user account, log in to the root user account and retry updating Acrobat or Reader.

Installers for all supported products also appear on the product download pages (except for the full Acrobat). You can download and manually install these products as follows:

1. Open the product.
2. Choose Help > About Acrobat or Acrobat Reader.
3. Note the version.
4. Close the product.
5. If you do not have the latest version installed, download the needed installer from the following locations:

• Adobe Reader full installers and updates for Mac OS.
• Adobe Acrobat updates for Mac OS.

6. Click the installer to start the installation process.

The log file is a file generated and appended to at runtime with status, operational, and error information describing what the Updater is doing. This information helps diagnose runtime problems.

In the case of installation failures, check the updater log file to know the reason of failure.

Log location

Macintosh (Reader): ${HOME}/Library/Logs/Adobe/Adobe Acrobat Reader Updater.log
Macintosh (Acrobat):${HOME}/Library/Logs/Adobe/Adobe Acrobat DC Updater.log

Below is a list of few error codes and the suggested steps to try to resolve the errors.

Error That Download Cannot Be Opened In Mac High Sierra

Error That Download Cannot Be Opened In Mac Os

For details on how to configure and troubleshoot the Updater, see the Acrobat-Reader Updater Guide.

Error That Download Cannot Be Opened In Mac Catalina