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How to Fix Internal Error 2771

Internal Error 2771 - What is it?

Internal Error 2771 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
or
Internal Error 2771, WholeProduct Feature

Solution

Restoro box imageError 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 the 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 the 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 the 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 the 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:\Windows\infinfcache.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, the installation of Kaspersky prematurely ends.

Security software conflict may occur if you have Comodo Firewall installed on your PC. A 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 is removed, then install Kaspersky on your system. If the installation is successfully completed, then reinstall the other software again.

Method 4 - Download Restoro

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

This is a cutting-edge and user-friendly PC Repair Tool deployed with an 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 previously 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 the Kaspersky Internet Security program on your PC without interruption.

Click here to download Restoro and be on your way to resolve Internal Error 2771 on your computer!

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The following files, folders, and registry entries are created or modified by FoxTab

Registry: HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRunrandom.exe HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionUninstallFoxTab HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionUninstallFoxTabDisplayIcon %AppData%[RANDOM CHARACTERS][RANDOM CHARACTERS].exe HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionUninstallFoxTabDisplayName Trojan horse name HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRunOnce[RANDOM CHARACTERS] %AppData%RANDOM CHARACTERS[RANDOM CHARACTERS].exe
[/section][/vc_column_text][/vc_column][/vc_row][/vc_section]
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Solution

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Further Information and Manual Repair

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Option 3 – Run the Memory Diagnostic Tool to check for Memory leaks

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Note: After you select the option, your PC will restart and check for memory-based issues. If it finds any issues, it will automatically fix them and if there’s no issue found, then it’s most likely not a memory-based issue so you should try the other options given below.
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Taskbar icons on leftMoving icons in Taskbar

  1. Open Windows settings by using ⊞ WINDOWS + I key combination
  2. Click on Personalization
  3. Select Taskbar
  4. Click on Taskbar Behaviors
  5. Click on the drop-down menu beside Taskbar Alignment
  6. Select your desired option of icon alignment
  7. Close settings
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Option 1 – Try to rollback your Network driver

If you have updated the driver software as of late and you suddenly got this error, you might have to roll back the device driver – in other words, switch back to the previous working version. To do that, follow these steps:
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  • Next, select the driver entries that are labeled appropriately other than anything in the context of the WAN Miniport.
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  • Now restart your computer to successfully apply the changes made.

Option 2 – Try to update the Network drivers

If rolling back to the previous version of the Network adapter drivers didn’t help, then you need to update them instead. To do so, here’s what you have to do:
  • Tap the Win + R keys to launch the Run window and then type in the “devmgmt.msc” command and hit Enter to open the Device Manager window.
  • Under the Device Manager, you will see a list of drivers. From there, look for the Network Adapters and expand them.
  • Then right-click on each one of the Network drivers and update them all.
  • Restart your PC and see if it helped in fixing the BSOD error.
Note: If updating the network drivers didn’t help in fixing the problem, you can also try to uninstall the very same drivers and restart your Windows 10 PC. After that, the system itself will reinstall the drivers you just uninstalled. Alternatively, you can also download and install the drivers from the manufacturer’s website directly.

Option 3 – Run the Network Adapter troubleshooter

Running the built-in Network Adapter troubleshooter can also help in fixing the “Unable to contact your DHCP Server” error. To run the Network Adapter Troubleshooter, refer to these steps:
  • Open the Search bar on your computer and type in “troubleshoot” to open the Troubleshoot settings.
  • Next, scroll down and select the “Network Adapter” option from the right pane.
  • Then click on the Run Troubleshooter” button.
  • After that, your computer will check for any possible errors and will pinpoint the root cause of the problem if possible.
  • Restart your computer.

Option 4 – Try disabling the IPv6 in the Network Center

  • Tap the Win + X key combination and click on Network Connections.
  • This will open the Settings app on a specific page. Now on the right-side panel, click on the Network and Sharing Center link.
  • After that, it will open the Control Panel and from there, click on the network that your computer is connected to and then click on Properties.
  • Next, uncheck the entry that says, “Internet Protocol Version 6 (TCP/IPv6)” in the list that populates.
  • Now click on OK and close all other windows.
  • Restart your computer and see if the error is now fixed.

Option 5 – Start or restart the DHCP client service

If the DHCP client service is either inactive or stopped, you can try to start or restart it to resolve the error. You can do this via the Services Manager.
  • Tap the Win + R keys to open the Run utility.
  • Then type “services.msc” in the field and tap Enter or click OK to open the Services Manager.
  • After that, look for the DHCP client service from the list of services displayed.
  • Once you found it, right-click on it and select the Start or Restart option.
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