Black screen after account open a session and problems in Windows Live OneCare

Hello

I've read other similar questions but I am writing a separate thread because my situation is slightly different. My apologies for the long post, but I'm desperate.

Computer information: Dell inspiron 1525 laptop. 32-bit Windows Vista Help

My current problem is the following:

I have three user accounts. When I start the computer using the Normal two of them, including the administrator, can connect to but a black screen with only the cursor appears just after. The third account, a "guest" account is not affected and works perfectly.

When I start the computer in Mode without failure or Safe Mode with networking, both messed up accounts can connect to and no black screen, Windows works apparently fine. However, this third guest account cannot connect. This error message: "Windows cannot connect to the service of the sense. Please contact your system administrator. »

I ran MalwareBytes all three user accounts. The Admin account has 2 infected files.

Infected registry keys:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\ {1d4db7d2-6ec9-47a3-bd87-1e41684e07bb} (Adware.MyWebSearch)-> quarantined and deleted successfully.

Infected registry data items:
HKEY_CLASSES_ROOT\regfile\shell\open\command\ (Default) (Broken.OpenCommand)-> Bad: ("regedit.exe" "%1") good: (regedit.exe "%1")-> quarantined and deleted successfully.

^ This is the current problem that began Monday night. Here is what happened this afternoon before the problem.

  1. Tried to use iTunes but it suddenly refused to open. I read that iTunes does not open if my firewall is not up-to-date or there are security problems.
  2. I tried to look at Windows Live OneCare, but which does not either. Said that there is a problem. I can't scan anything.
  3. Windows Defender does not light and I can't update the definitions.
  4. I rebooted the laptop several times, did not help.
  5. The hub for OneCare computer works fine.
  6. I did a system restore to a date a week or two before.
  7. Downloaded MalwareBytes and ran scan.
  8. Forums suggested the fix Prevx. I followed these instructions, but as I tried to run with the black screen up on my Admin account, it would freeze just so that the computer checked.
  9. Repair the system says it's clean.
  10. I changed my settings so that Windows does not updated Automatic due to problems of the past. I currently can't update anything because the laptop freezes after clicking on the icon.

Thanks for any help.

I have 2 PC which have made in the last 7 days, last update Microsoft OneCare was killied accounts Admin,.

To fix, you need to uninstall Onecare through the tool of uninstalling the program.

Heres how

(1) start the computer Safe Mode (press f8 just before the first window of the screen with the time bar) and log on to the Admin account

(2) execute MSCONFIG as editable (type search box of the start menu, right click and run as administrator)

(3) select Diagnostic startup and click ok, then restart

(4) log on as administrator, and then start /panneau Panel programs and features select Windows Live OneCare in the list and uninstall. This may fail with an error (it did on both the PC I corrected.)

(5) run MSCONFIG as administrator again select normal startup, OK and restart and it solved the problem

(6) install the new Microsoft Security Essentials that OneCare will anyway

Tags: Windows

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