Windows Firewall service missing on Windows 7 (Error Code: 0x80070424)

Make sure that PC is clean(free from zero access rootkit before trying this fix)
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  & Restart your PC

Now,Press Windows+ R key 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

If you still have this error

Windows could not start Windows Firewall on local Computer. See event log, if non-windows services contact vendor. Error code 5.

Download and launch this key,click YES

Shared access

give full control permission to this key similar to previous one

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\SharedAccess

Right click on it –permissions

Click on Add and type

Everyone and select Full control

You should able to start firewall now

You may also be missing security center windows defender ,BITS and windows update services

Download

Security center  –wscsvc

Windows defender – windefend

BITS    –  BITS

Windows update  –  wuauserv

Launch them and click YES when you get a UAC prompt

Source: http://social.technet.microsoft.com

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