If the application is not installed

The problem of installing the application may occur due to:

  1. Android malfunction.
  2. Lack of memory.
  3. Viruses.
  4. Blocking the installation of applications from an unknown source.

Let's look at how to fix the problem in each of these cases.

1. Android malfunction

To fix the problem, you should:

  1. Go to the system menu. To do this, press the power button.

System menu

  1. Press "Restart".

Menu item "Перезагрузка"

Wait for the device to fully load. If the problem persists when trying to install the application, go to the next step of the instructions.

2. Memory shortage

First you need to determine the amount of free memory on the device. To do this, you should:

  1. Enter "Settings".

Log in to "Settings"

  1. Go to "About phone".

Section "About телефоне"

  1. Find the block "Storage".

Section "Хранилище"

View the amount of free memory. If there is a place, go to the item "3. Viruses". Otherwise, it is necessary to free up memory by transferring files to another medium or to trash, deleting unnecessary applications or clearing the cache.

2.1. Transferring files to another medium

Photos, music, movies, videos and other content can be transferred to an external drive, computer or cloud storage. A built-in or third-party file manager is used for this purpose, for example, Total Commander, File Transfer, ES File Explorer or others. Let's take a step-by-step process of transferring content using Total Commander:
  1. Launch the file manager.

Launching Total Commander

  1. Select a folder or file. It is acceptable to mark several items from the list inside the same directory at once.

Selecting a file in Total Commander

  1. Hold your finger on the name of a file or folder for a few seconds until the menu appears.

Calling the file menu in Total Commander

  1. Select "" from the listCopy/Move/Send".

Clicking the "Copy" button/Move/Send"

  1. Press the double arrow.

Transition to select a location перемещения

  1. Select the desired location for transferring content and click "OK".

Choosing a place to move a file

  1. Press "Move".

Pressing the button "Переместить"

Check the memory status on the device. If there is not enough space, go to the next option to clear the storage. Otherwise, try installing the application again.

2.2. Deleting files

To remove unnecessary content, you will need a file manager. Let's look at how to do this using Total Commander:

  1. Open the file manager.

Launching Total Commander

  1. Select the file you want to delete.

Selecting a file in Total Commander

  1. In the pop-up menu, to open which you should hold your finger on the list item for 2-3 seconds, select "Delete".

Selecting the "Delete" item

  1. Click on the "Yes" button.

Confirmation of deletion

2.3. Removing programs and games

The procedure for removing applications from the device:

  1. Go to "Settings".

Log in to "Settings"

  1. Click on the section "Appendices".

Log in to "Приложения"

  1. Go to "All applications".

Login to "All приложения"

  1. Click on the icon "Delete".

The "Delete" section in "Приложениях"

  1. Select an unnecessary application and click the "Delete" button.

Removal приложения

2.4. Clearing the application cache

If you need to delete the cache in 2-3 programs or games, you can use the standard way to clear . However, if a large number of applications are used on the device, we recommend resorting to the batch method.

2.4.1. The standard way to clear the cache

To delete the cache in one program or game, you need:

  1. From "Settings" go to "Appendices".

Log in to "Settings"

Log in to "Приложения"

  1. Go to "All applications".

Login to "All приложения"

  1. Click on the desired program or game.

Selection приложения

  1. Press "Clear".

Pressing the "Clear" button

  1. Choose from the suggested menu items "Clear cache".

Selecting "Clear Cache"

  1. Press "OK".

Confirmation of clearing the cache

2.4.2. Batch method

You can clear the cache in all applications installed on your smartphone by CCleaner. If the program is installed on your smartphone and has been used before, go to instructions for quick cleaning. Otherwise, you need to:

  1. Install and run CCleaner.

Launching CCleaner

  1. Click "Start using".

Start using CCleaner

  1. Press "Continue with the advertisement". To remove the offers of advertisers, you need to buy a subscription by clicking on the button "Go now".

Clicking the "Continue with рекламой"

  1. Start cleaning the device by pressing "Start".

Start scanning the device

  1. Click on the arrow to the right of "Grant us access."

Calling the "Grant us access" menu

  1. In the window that appears, click "Allow".

Access permission приложению

  1. Find the cleaning program in the list.

CCleaner search in the "Access to data about использовании"

  1. Go to CCleaner and activate access by moving the slider to the right.

Activating the "Access to History" parameter использования"

  1. In the "Threat" window, mark "I am aware of the possible risks..." and click "OK".

Acceptance of the terms of use of the application

  1. Go to "Scan..." by clicking on the arrow to the right of the corresponding menu item.

Go to "Scan for unnecessary файлов"

  1. To view the results of the check by clicking "View the results".

Clicking the "View" button результаты"

  1. Uncheck all items except "Visible cache".

Unchecking, except for "Visible Cache"

  1. Click "Finish cleaning".

Clicking the "Finish" button чистку"

Repeat the installation of the application. If the problem persists, proceed to the next step of the instructions.

The order of clearing the cache using CCleaner, if the application has already been used before:

  1. Open the program.

Launching CCleaner

  1. Press "Quick Clean".

Start quick cleaning

  1. In the list, leave a check mark only opposite "Visible cache".

Unchecking, except for "Visible Cache"

  1. Press "Finish cleaning".

Clicking the "Finish" button чистку"

Repeat the installation of the application. If the problem persists, proceed to the next step of the instructions.

3. Viruses

Virus scanning can be performed with a pre-installed antivirus. If there is no program, you need to install a third-party application on the device: Dr.Web Light, ESET Mobile Security, Security Master, Memory Cleaner: antivirus, garbage cleaning.

3.1. Checking with pre-installed antivirus

Stages of virus cleaning:

  1. Find among the pre-installed tools "Security" and open the application.

Log in to "Безопасность"

  1. Select "Antivirus" from the suggested items.

Running Antivirus

  1. Perform the actions specified by the tool to remove viruses.

Recommendations Антивируса

3.2. Using a third-party antivirus program

Let's analyze the procedure for checking the device for viruses using the example Dr.Web Light:

  1. Open the application.

Running Antivirus

  1. Start scanning by clicking "Full check".

Launching "Full проверки"

  1. Get acquainted with the results of the application. If viruses are found, follow the recommendations of Dr.Web Light.

The result of the check антивирусом

If no malware is detected and the application is not installed, go to the next section.

4. Ban on installing programs from unknown sources

To remove the lock:

  1. From "Settings" go to "Appendices".

Log in to "Settings"

Log in to "Приложения"

  1. Go to "All applications".

Login to "All приложения"

  1. Find and log in to "Explorer".

Application Selection "Проводник"

  1. Press "Installation from unknown sources".

Item "Installation from unknown sources"

  1. Allow installation by moving the slider to the right.

    Permission to install from unknown sources

    If the problem persists when installing the application, proceed to the next step.

    5. Error message

    If the problem or error persists, you need to leave a comment. Procedure of actions:

    1. Go to the page of the application that is not being installed.

    Go to the page приложения

    1. Go down to the comments section.

    Comment block

    1. Click "Comment".

    Pressing the button "Комментировать"

    1. Fill in the contact details. In the message window, you should specify: the essence of the problem, the error code (if any), the name and version of the browser and operating system used. Click on "Add comment".

    Clicking the "Add Comment" button

    Within 1-2 days from the moment of receipt of the message, the comment moderator will explain the procedure for eliminating the problem.