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

1. Why Won't My Macbook Update
2. Check For Updates On My Macbook
3. How To Check For Updates On My Mac

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.

Tap the iOS update, then tap Delete Update. Go to Settings General Software Update and download the latest iOS update. If you don’t see the update in the list of apps or if the issue happens again, you need to update your device with iTunes.' Get help with over-the-air iOS updates. Hd for macbook.

Click your profile picture then click Check for Updates. If there is a newer version, Zoom will download and install it. There are 3 types of updates; web-only, mandatory and optional. Web-only updates are available for new fixes that are being tested. Mandatory updates will start once you click on update. You cannot proceed further until you. The first step to updating your Safari browser is checking if your Mac actually has any available system updates. If you have macOS Mojave or later, upgrades will come via your System Preferences. Or if you decide to do updates yourself, check for updates at least once a month. This is separate from upgrading your company file after switching to a newer version or edition of QuickBooks Desktop. To update the QuickBooks Database Server Manager, see Install, Update, and Set up the QuickBooks Database Server Manager. If any updates are available, click the Update Now button to install them. Or click ”More info” to see details about each update and select specific updates to install. When Software Update says that your Mac is up to date, the installed version of macOS and all of its apps are also up to date.

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	Title	Solution
1001-1099, 1100	Cannot download update files. Please verify that you are connected to the Internet and check for updates again.	Try downloading Reader directly from this page.
1101-1199, 1200	Cannot save files to disk. Please check for updates again.	Check for permission issues. Run Disk Utility > Repair Permissions.
1201-1299, 1300	Your version of cannot be updated because the application contents have been changed. The update could not be applied because the application contents were modified since the original installation. Please reinstall and check for updates again.	A file has changed or is missing. Uninstall and reinstall the program.
1301-1399, 1400	Your version of cannot be updated at this time. Please check for updates again later.	Enable the root user account and check updating the application.
1401-1499, 1500	An error occurred. Please check for updates again later.	Restart the Mac and retry.
1501-1899	Updater will try again.	Restart the Mac and retry.

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

By default, Firefox updates automatically. You can always update manually, in which case an update is downloaded but not installed until you restart Firefox.

1. Click the menu button , click Help and select About Firefox.On the menu bar click the Firefox menu and select About Firefox.
2. The About Mozilla FirefoxAbout Firefox window opens. Firefox will check for updates and download them automatically.
3. When the download is complete, click .

Why Won't My Macbook Update

Important:

Check For Updates On My Macbook

If the update didn't start, didn't complete or there was some other problem, you can go to the Systems & Languages page to download and install the latest version of Firefox for your system and language or you can use this download link (see How to download and install Firefox on WindowsInstall Firefox on Linux

How To Check For Updates On My Mac

How to download and install Firefox on Mac for more information).

Stay safe: Download only from the official Mozilla links above to avoid malware and other online threats.

Update settings can be changed in Firefox OptionsPreferences. Click the menu button and select .. In the General panel, scroll down to the Firefox Updates section.