[Fixed] “about:invalid#zClosurez” error on Gmail in iPhone / iPad

About Invalid zClosurez

Have you ever encountered this annoying Gmail Error: “about:invalid#zClosurez” or experiencing it right now? This will surely prevent you from accessing your Gmail account! But worry not because you are probably on the right page as we have got a fix for you.

Since several iPhone, iPad and Mac users have reported about this Invalid closure message error whilst trying to open a message in their Gmail inbox or at the same time as they want to send/forward messages from their Gmail account using Safari, we have compiled this blog article to tell you about how to resolve this “about:invalid#zClosurez”.

So let’s begin by understanding the error and then look into the solutions to fix this issue.

What does “about:invalid#zClosurez” mean ?

The about:invalid#zClosurez error message shows up in the URL address bar while trying to login you email account and Safari launches with a white, blank screen. You may get about:invalid#zClosurez error, when you try to access your Gmail account for checking (receiving and sending emails) with email clients like Outlook, Apple Mail, and so on.

The error takes place when Gmail asks you to re-enter your password for your account, however due to the presence of some bug or other technical glitch, Gmail fails to accept the password and instead shows you this error.

Furthermore a number of Youtube users also have complained about experiencing this issue that restricts them from viewing videos on YouTube.

Whatever the case may be, you can check the following solutions if getting about:invalid#zClosurez error on your Apple device. Here’s how to fix about:invalid#zClosurez on Mac, iPhone, and iPad.

What causes this error?

Well, there are two major causes of this error. One is, corrupted cookies or browser data and another is Glitches on the server side.

Fixing Gamil error “about:invalid#zClosurez”:

You can fix this error by trying the methods given below:

Method#1: Reboot/Restart Your Device

Rebooting your device resolves lots of minor issues and glitches on it. Thus the first thing you should try to fix the about:invalid#zClosurez error is to Force Restart your device. You can force reboot the device using a special key combination and performing the steps given as under:

For iPhone 8 and older models:

  • Press and hold the On/Off button to get the slider named “slide to power off”.
  • Slide it to turn off the iPhone or iPad.
  • Wait until the device is completely turned OFF.
  • Turn ON your device and check if the problem is fixed.

For iPhone iPhone X, X Max, 11 Pro and later models:

  • Press and hold the On/Off button with the volume button to get the slider named “slide to power off”.
  • Slide it to turn off the iPhone or iPad.
  • Wait until the device is completely turned OFF.
  • Turn ON your device and check if the problem is fixed.

Method#2: Clear History and Website Data

If you are experiencing the about:invalid#zClosurez issue, you can also try to fix the problem by clearing the history and cookies from Safari. For that you need to go to Settings > then select Safari, and scroll down to find Clear History and Website Data. We have mentioned the steps separately for iOS and Mac devices.

Deleting all Website data on your iPhone and iPad

You may have to delete All Website Data in order to fix about:invalid#zClosurez error. For that, follow the steps below.

  • Open Settings and follow the path as: Safari > Advanced > Website Data
  • Under the Website Data tap on the “Remove all website data”

Deleting all Website data on your Mac

You may have to delete All Website Data in order to fix about:invalid#zClosurez error. For that, follow the steps below.

  • Open Settings and follow the path as: Safari > Preference > Privacy > Manage Website Data
  • Under the Manage Website Data tap on the “Remove All Website Data”

Method#3: Close all Active Tabs

One solution for getting rid of about:invalid#zClosurez is to close all of the active tabs in your Safari browser. Thereafter closing the Safari and relaunch it. Here is how to do so:

  • Launch Safari browser
  • Press and hold the tabs icon provided thereon (two squares icon)
  • Tap on Close All Tabs
  • Exit Safari and re-open it to check if the problem is resolved or not. 

Method#4: Turn On and Off Airplane Mode

Another solution is to Turn On the Airplane Mode and then turn it Off again and waiting for a while. To enable/disable the Airplane mode on your device you can go to Settings > select Airplane Mode and then turn it On/Off using the toggle button provided next to it.

Method#5: Update your Device

One of the causes behind occurrence of this issue is system update. You are likely to get the error message if you are not running the latest version of iOS or MacOS on your device. The problem can be easily fixed if you upgrade your device with the most recent update available. To update your device you must take the path as:

Go to Settings > General > Software Update.

If any update is available thereon, download and install the update by following the on-screen instructions.

Method#6: Contact Apple Care

Even after trying all the solutions listed above, if the about:invalid#zClosurez error is still appearing on your screen, you can simply go on to contact the support team of Apple for help by clicking here  Apple Care.

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