Android Error 923: Unable to Download Application

If you ever encounter error 923 when downloading an application on your Android device, this may be due to either a memory problem, or a synchronization error with your Google account. This tutorial will walk you through how to navigate around this error, and proceed with your download. 

How To Fix Android Error 923

Before beginning, you should ensure that there is sufficient memory left on your phone, and on your SD card. 

Go to Settings > Applications > All. Select Google Play Store, and clear the cache and data. 

Restart your phone for the changes to take effect. 

If the above manipulation doesn't work, try going to Settings > Accounts > Google. Delete your current account, and turn off your phone. 

Next, restart your phone using Recovery mode. You can do this by pressing the Home + Volume Up + Power buttons. 

A menu will appear. You can navigate through the menu using the volume keys. 

Select Wipe Cache Partition > Clear Cache.

How To Create a Bootable USB Installer for OS X El Capitan

This procedure explains how to create an installation key for Mac OS X El Capitan using a USB key. This method will work for OS X El Capitan, Yosemite, Mavericks, and Mountain Lion updates. 

How To Make an El Capitan Install Drive with a USB

El Capitan Information Pages on Apple.com

Before beginning, you may want to familiarize yourself with the upgrade process, and hardware requirements necessary for the El Capitan installation. 

Pre-Requisites for the El Capitan Update

There are several prerequisites necessary for a successful installment of El Capitan. A list of requirements for the compatible models can be found below.

Compatible Macs

MacBook (released early 2015), MacBook (aluminum series released late 2008 - early 2009 or later), 
MacBook Pro (released mid/late 2007 or newer models), 
MacBook Air (released late 2008 or newer models), 
Mac Mini (released early 2009 or newer models), 
Mac (released mid 2007 or newer models), 
Mac Pro (released early 2008 or newer), 
Xserve (released early 2009). 

Requirements

OS X 10.6.8 or later, 2GB of RAM (minimum), 
8GB of storage space, 
Some features require an Apple ID, 
Some features require a compatible Internet service provider; extra charges may apply. 

STEP 1: Download El Capitan

Launch the Apple App Store, and sign-in using your iCloud account. Click on OS X El Capitan >Download to begin the download process. The El Capitan download will utilize about 6GB of space. 

Once the installation package has been downloaded, it will launch automatically. Do not click onContinue. 

You may quit the installation by clicking on the Install OS X menu > Quit Install OS X. Leave the installation package (Install OS X El Capitan) in the Applications folder, and proceed to the next step. 

STEP 2: Prepare the USB Installation

You will need a blank 8GB USB key. Connect the USB key to your Mac and launch the Disk Utilitylocated in Applications > Utilities. Select your USB drive (not its existing partition, but the physical key itself). Click on Partition Layout and select 1 partition. Next, select the Optionbutton, making sure that GUID Partition Table is selected. Click OK. 

Select Mac OS Extended (Journaled) as the default format for the drive. Rename your USB key to something more significant (e.g. elcapitan) and make a note of it somewhere. You will need the exact name for a terminal command in STEP 3. 

Click on Apply > OK. 

STEP 3: Creating the Installation Key

Launch the Terminal application located in Applications > Utilities and type the below command: 

sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/e/name_of_USB --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app --nointeraction 

Replace name_of_USB with the name you have chosen for your USB key. 

Confirm with the Enter key, and type your administrator password when prompted. Let the process unfold until the Terminal window says Done. 

Your OS X El Capitan installation USB key is now ready. 

Updating from OS X Snow Leopard and Leopard

Additional steps are required when updating from Snow Leopard (Mac OS X 10.6.x). 

Click on the Apple menu > Update software. Update to Mac OS X 10.6.8 before downloading El Capitan from the App Store. 

Unfortunately, El Capitan will install directly onto your Mac. You will need to download it once more to get the installation package (installer). If you have Leopard (Mac OS 10.5) and would like to upgrade to El Capitan, you must first purchase and install OS X Snow Leopard. 

Remarks

This method creates a USB key called Install OS X El Capitan. The key contains an installer (installation package) named as Install OS X El Capitan. To perform an installation from the USB key, connect it to your Mac and then boot the key while holding the Alt key down. Boot from the USB key and then follow the onscreen procedure to install the new operating system. 

N.B. If at any point the installation procedure seems to stall, just let it be. Despite appearances, the installation procedure is likely just working slowly.

How to Prevent Safari from Opening Downloaded Files

Safari automatically opens downloaded files it considers as Safe. It may include compressed files, PDF, pictures, videos and other type of files downloaded from trusted sources. But what if a virus or malware was hidden in one of these so-called safe files? You might want to turn off this feature (enabled by default) for your own good. 

Method 1 - From Safari's settings

Launch Safari, click on the Safari menu > Preferences. Go to the General tab and clear the Open "safe" files after downloading checkbox. 

Method 2 - Using the terminal

Open a terminal and run the following command: defaults write com.apple.Safari AutoOpenSafeDownloads -boolean NO

iTunes - Download Videos in HD

Want to enjoy the movies and TV shows you have purchased from the iTunes Store in full size HD or high quality SD? Here's how to configure iTunes default download preferences:   Open iTunes and sign-in with your Apple ID. Click on the Edit menu > Preferences. Go to the Store tab > Automatic Downloads and then tick the Download full-size HD videos and Download high-quality SD videos checkboxes:

Download the MP4 Version of the Videos Published on Your YouTube Channel

You want to download a video published on your YouTube channel for offline editing? You want to upload the video on another streaming platform? Here's a simple trick to retrieve the MP4 version of videos published on your YouTube channel without the need for you use any third party software. The procedure is as follows: 

Sign-in to your YouTube account and click on your profile picture located top-right > Creator Studio. Go to the Video Manager section and select the desired video. Click on the small arrow next to the Edit button and then select Download MP4

Select the location to save the file and then click on OK.

Download WhatsApp Photos via Dropbox

A friend has a book publishing business and have customers across the country who sell these books. They are old-school businesses that always relied on paper-based forms and fax for sending orders but now that they have WhatsApp on their mobile phones, they write their requirements on paper, snap an image and send it via WhatsApp. On this side, the received WhatsApp images are saved to the computer, printed and sent to the respective departments for processing.

The problem with the workflow is that there are quite a few steps involved after the WhatsApp image is received. Since WhatsApp neither offers a desktop client and nor does it allow integration with services like IFTTT or Zapier, the incoming images have to manually transferred from the phone to computer for sending to the printer. Is there a way to automate these steps? Yes.

When a photograph, or any media file, is received inside WhatsApp, it is automatically saved to the phone’s physical memory. The media is downloaded without you having to open the corresponding message (we are dealing with Android here, the iPhone version of WhatsApp may work differently).

Now that we know that the incoming image file is on the phone’s SD card, all we need is way to automatically transfer the file to our computer. That’s where Dropbox or Google Drive can help.

Download WhatsApp Photos to Computer

We can watch the Media folder of WhatsApp and as soon as a new file is added to that folder, it is automatically synced with Dropbox. MetaCtrl has Android apps for Dropbox, Google Drive and Box that can help here.

1. Open your Dropbox and create a folder, say WhatsApp.
2. Launch the DropSync app and authorize it to access your Dropbox account.
3. Set the Local (watch) folder as/storage/emulated/0/WhatsApp/Media/WhatsApp Images and set the Dropbox folder as the one that you created in Step #1.
4. Set the sync method as “Upload only” so that it is not a 2-way sync and only WhatsApp images are sent to Dropbox but not the other way.
5. Go to the app settings and change the Autosync Interval to 5 minutes (the default is an hour).

That’s it. Within minutes of you getting an image on WhatsApp, it will be sent to your Dropbox account in the cloud and since you have Dropbox running on your desktop too, the image will be downloaded on the computer as well.

Automatically Printing the WhatsApp Photos

The next step is to send these images from the Dropbox folder to your printer connected to the computer.

This isn’t difficult either. You can open this Windows Printing script on the computer and it will automatically send images from the Dropbox folder to the printer. A similar remote printing option is available for Mac and Linux as well.

Please do however note that this will download and print all WhatsApp images so you want to have a human layer that discards the non-essential ones.