How to Fix Internal Error 2771

How to Fix Internal Error 2771


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Internal Error 2771 - What is it?

This is an internal error code associated with Kaspersky Internet Security and Antivirus software. This error pops up when Kaspersky Internet Security software fails to install on your PC successfully.

Installation of the software is interrupted and therefore it ends prematurely. This happens mostly when you try to install a new build on an existing installation.

Internal Error 2771 is displayed in one of the following formats:

Internal Error 2771, Sandbox Feature
Internal Error 2771, WholeProduct Feature


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Error Causes

This error may result on your computer screen due to several reasons. Some of the most common underlying causes include:

  • A leftover Registry Key
  • Bad entries from previous Security Package
  • INFCACHE.1 file corrupted
  • Conflicts with other security software installed on your system

Further Information and Manual Repair

To successfully overcome this problem and ensure successful installation of Kaspersky Internet Security software on your system, try the methods given below.

Method 1- Remove the Leftover Registry Key

Sometimes Internal error code 2771 may appear during installation due to the leftover registry key from the previous Kaspersky software removal.

A registry key is often created when uninstalling previous Kaspersky version from the PC. This key is left behind even after you reboot your system.

This key is called avp**_post_ uninstall, you need to delete it to ensure the new version of Kaspersky program is installed successfully on your PC.  For this, simply go to the start menu and type Regedit in the search bar.

Now navigate to HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun and then look here for the registry key called avp**_post_ uninstall. In order to delete this file, right click it and then select delete.

Once uninstalled, reboot your PC and then try installing Kaspersky Internet Security program again.

Hopefully this will resolve the issue. If the software installs smoothly, then the error is fixed, in case it still persists, then try other methods illustrated below.

Method 2 – Remove the INFCAHCE.1  Corrupt File

Another reason for the error pop up may be INFCAHCHE.1 corruption.

This file is basically used to store driver information and inf file locations. However, if it contains corrupted information, then you must remove it.

To do this, go to the start menu and type cmd into the search bar. This will open a command prompt. Here type del C:Windowsinfinfcache.1. Now reboot your PC and try installing Kaspersky software on again.

Method 3 – Fix Software Conflict

Security software conflict can also result in internal error 2771 code display. And when this happens, installation of Kaspersky prematurely ends.

Security software conflict may occur if you have Comodo Firewall installed on your PC. Firewall is known to cause issues with Kaspersky software programs.

The best way to resolve this issue is to uninstall all security software programs on your PC. Once all security software are removed, then install Kaspersky on your system. If the installation is successfully completed, then reinstall the other software again.

Method 4 – Download Total System Care

Error 2771 can also result on your computer screen if traces of the previously installed Kaspersky software still remain in the registry despite of the program removal. In such an event it is advisable to download Total System Care.

internal error 2771

This is a cutting edge and a user-friendly PC Repair Tool deployed with and intuitive interface and a powerful registry cleaner. The registry cleaner scans your entire PC in seconds and detects all registry related problems.

It removes all the bad entries, invalid registry keys, traces of previous uninstalled programs, junk files and cookies that are known for registry corruption. It takes just a few clicks to perform this process.

Once all traces are removed, you can install the new version of Kaspersky Internet Security program on your PC without interruption.

Click here to download Total System Care and be on your way to resolve Internal Error 2771 on your computer!

For further information you may be interested in these similar issues:

A Quick Guide to Fixing Error 2738

How to Resolve Internal Error 2753

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