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Problem installing AnyConnect Secure Mobility Client 3.0.3054

 

Introduction

This document describes a workaround for users facing installation error while installing AnyConnect Client on Windows 7 (64 bit).

Problem

User is tryying to install AnyConnect Secure Mobility Client 3.0.3054 on my PC (Windows 7 professional and he get the following errors.

Failed to install AnyConnect Secure Mobility Client 3.0.3054 with installer error: Fatal error during installation. A VPN connection cannot be established.

The acsock service failed to start due to the following error:A device attached to the system is not functioning.

Solution

The workaround is mentioned below:

Make sure that PC is clean(free from zero access rootkit before trying this fixes). This firewall issue is commonly found on vista and windows 7 (64 BIT OS). It is recommended to contact malware removal forums to remove it first and try the fix

Run the services repair tool by ESET

http://kb.eset.com/library/ESET/KB%20Team%20Only/Malware/ServicesRepair.exe

Restart the PC.Firewall and critical missing services should work.

Manual Fix

Download both the registry files

  • Windows firewall -  Firewall
  • Base filtering engine - BFE

 

Launch them,You should get a UAC prompt now

Click YES  and Restart your Sytem

Now,open Run prompt and type:

regedit and click ok. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\BFE

Right click on it -permissions. Click on ADD and type Everyone and click ok. Now Click on Everyone.Below you have permission for users.Select full control and click ok.

Now,open RUN and type services.msc and click ok

start base filtering engine service and then windows firewall service

Source Discussion

Problem installing AnyConnect Secure Mobility Client 3.0.3054

Reference

Solution on Microsoft Forum

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