Corruption, massive in almost all of the network services user account and firewall Windows

Win 7 Pro SP 1. An account with administrator privileges. Domestic wireless access to a router; D-link devices. System was working fine until about seven 2 (and I pointed out some Windows updates installed September 1, but don't think it's relevant). Computer users allege no unusual behavior on their part Analyses of viruses from Windows Defender and Avast free were clear. Restoring from a previous restore point (two different ones) has not solved the problem - the restore points were date known system OK. Corruption has been maintained despite the restorations (worked and failed).

A complaint that has lost network access. On the survey, found that all these symptoms mentioned below, and no doubt other symptoms exist that I am not aware of. The solution was to create a new user account, and which restored massive configuration problems.

Symptoms:

1 Windows Firewall could not turn on. Yes, I looked at the KBs regarding this issue (basic dependencies does not and so on) and tried individual hotfixes from the KB, without success.

2. in the network sharing Center, there was no display of the usual icons at the top of this window. Those who show the personal computer connected to the router connected to the internet. Error message displayed re no dependence of base.

3. it is possible to send signals between the USB wireless device on the computer and the wireless router. In the task area, the Windows message was 'limited connectivity', something like that. It was possible to connect and disconnect using this facility. But no internet access, notes.

4. the resolution of the problems would not be executed. The message was that political diagnostics are not running. All attempts to start this service (with its two assistance services) has failed. Tried the individual patches of the relevant KB (wearing mostly on change permissions in the registry at some points), which failed.

5. in addition, the Dhcp client service would not be executed. Once again, among the KBs tried the proposed fix on the permissions change, which failed. (Omitted in the sense that I could not always start the service; editing the registry was fine).

5. firewall KB contained a file "beats" that you can create and run, I did, and another had similar commands (start and stop some services) that could be run in a command window. Both failed on some services - especially Mspsvc (Microsoft protection Service) - Although the success was shown to other services.

6. when I created a new user profile, I re-entered the registry permissions in some of these places just to see what was different. In the damaged user profile, what was missing, it was the standard system of services (about 3 or 4 of them; things like the name of Dhcp). What showed was the News user account (for the specific user account; administrator; and two more points).

Telling me that something has released a complete subsystem or three. Never seen this behaviour before.

Would be nice to have an idea where to look for a fix / restore procedure.

DonM

Hello

Thank you for providing us with brief information on the specific issue that you are facing the computer.

I would like to know, have you been able to access the network on the new user profile?

As you have tried several steps including the change of permission for the registry value and run the batch file, I would ask to perform Scan SFC.

System File Checker is a Windows utility that allows users to find corruptions in Windows system files and restore the damaged files.

For more information on how to scan SFC, please see the Microsoft Support Article below.

Use the System File Checker tool to repair missing or corrupted system files

Let us know the results of the SFC Scan, so that we can help you further.

Tags: Windows

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