Friday, July 20, 2012

Windows Firewall will not start, error code 5

Personal note: check for viruses first. Most likely viruses is what caused this problem to start with

When you attempt to start the Windows 7 firewall service you receive the following error
Windows could not start the Windows Firewall on Local Computer. For more information, review the system event log. If this is a non-Microsoft service, contact the service vendor, and refer to service-specific error code 5.
If you look in the System Event Log, you will see event 7024 from the Service Control Manager
The Windows Firewall service terminated with service-specific error Access is denied..

Cause

This may be caused because the “NT Service\MpsSvc” account does not have adequate permissions on the following registry key
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess

Solution

  1. In Registry Editor, browse to the key HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess
  2. Right click SharedAccess, and click Permissions.
  3. Click Add.
  4. In the “Enter the object names to select” field, type “NT SERVICE\mpssvc”. Then click CheckNames. The name should change to MpsSvc
  5. Click OK.
  6. Select Full Control in the Allow column.
  7. Click OK.

Applies To

Windows 7 (all versions) / Windows Vista (all versions)

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