Causes The file’s checksum doesn’t correspond with the data on the Kaspersky Lab server. An error on the Kaspersky Lab server. Network issues. The installer is not on the Kaspersky Lab server. Solution Open the command line as an administrator. See this article for instructions. Enter ipconfig /flushdns and press Enter on the keyboard. Enter netsh int ip reset all and […]
When installing a Kaspersky application, you may get the error 2771. The error is caused by the previous version of a Kaspersky application still installed on your computer. The previous version of the application has to be deleted first. Removing the application with Windows OS tools Start the setup wizard of the application. For instructions, see […]
This article concerns: Kaspersky Security Cloud Kaspersky Internet Security Kaspersky Anti-Virus Kaspersky Total Security Kaspersky Small Office Security When installing a Kaspersky application, you may encounter an error with the message “Error 1723: There is a problem with this installer package.” Solution 1 If you use Windows 10 operating system, update it to the latest version. […]
This article concerns: Kaspersky Security Cloud Kaspersky Internet Security Kaspersky Anti-Virus Kaspersky Total Security Kaspersky Small Office Security When installing or uninstalling a Kaspersky application, an error may occur with the message “Internal Error 2318”. Solution Uninstall your Kaspersky application using the kavremover tool. See this article for instructions. Restart your computer. If the error occurred during the installation, […]
Cause The Windows Installer Service does not allow you to install multiple applications at the same time. Solution Wait until the other application has finished installing. Try installing the Kaspersky Lab product once again. Restart the operating system and try installing the Kaspersky Lab product once again. If this solution didn’t work, use the Process […]
If the installation of a Kaspersky application fails with the error “The application was not installed. Your computer may be infected by viruses”, follow the recommendations below. Step 1. Run a virus scan Scan your computer for viruses with Kaspersky Virus Removal Tool. Download Kaspersky Virus Removal Tool. Run a scan using the guide in […]
If during the installation you receive an error message “Application was not installed” as in the picture below, follow the instructions below. Step 1. Create a restore point If you are running Windows 10: Search for Create a restore point using the search bar and click on the result. In the System Properties window on the System Protection tab, click Create. […]
If you get the error “Error occurred while removing the previous version of the application. Please remove the previous version of the application manually.” when installing a Kaspersky application, use the guide below. Step 1. Create a restore point Guide for Windows 10: Click on the Windows search icon. Type “create a restore point” […]
Cause Windows updates have not been installed that are necessary for installing the .Net Framework. Solution Restart the Windows Update service: Open Control Panel and go to Administrative Tools → Services. Right click on Windows Update and select Stop from the shortcut menu. Repeat step 2 for the Security Center service and the Background Intelligent Transfer Service (BITS). Start File Explorer and find the folder C:\Windows\SoftwareDistribution […]
Issue Installation of a Kaspersky application on a computer running Windows 7 may freeze at the step “Installing Microsoft .Net Framework”. Solution Create a restore point. See the instructions on the Microsoft support website. Download Microsoft .Net Framework 4.8. Run the downloaded installer. Select the checkbox I have read and accept the license terms. Tap Install. Wait until the installation […]