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Has anyone else experienced recently (and found a solution for)?

  • Windows SP1 64-bit not shutting down; all icons are gone, the background image is still on the screen, the HD light is only flickering occasionally. I arrive at the office next morning and it's still this way ;-)
  • Lock screen no longer works; either through the start menu or the Win L key combination

(I'm not yet sure that these always appear together).

Primary suspects are of course new software programs, updated drivers etc.

It is now 19 Dec 2014. Recent updates:

  • No driver updates
  • Flash player 16.0.0.235
  • Paint.Net 4.0.5 - Does not autostart anything; usage makes no difference
  • Mouse Recorder Pro 2.0.7.5 - Does not autostart anything; usage makes no difference
  • BOINC 7.4.27 - Autostarts/screensaver. I see no issues in the BOINC forum that apply. I have now disabled BOINC, let's see what that does.
  • The December 2014 Windows updates

The updates that I see installed starting from Wed 10 December (i.e. from Patch Tuesday, given the time zone difference):

  • 14 Dec KB2596764 Office Powerpoint 2007 security update
  • 10 Dec 35(!) MS Office 2007 (Security) Updates. That can't be true, there were not that many and I always update. Control Panel/Programs/Installed Updates must show incorrect dates.
  • 10 Dec 22(!) Visio (Security) Updates. Same issue.
  • 11 Dec KB3014406 Windows update
  • 11 Dec KB3013126 Windows security update
  • 11 Dec KB3009736 Windows hotfix
  • 11 Dec KB2952664 Windows update
  • 10 Dec KB3006625 Windows update
  • 10 Dec KB3006121 Windows update
  • 10 Dec KB3013410 Windows update

I remember there was an out of bound update (which I applied) for an issue with an earlier one that made booting fail on some machines. That is my primary suspect, but I can't refind the exact information.

Background: Microsoft Security Bulletins For December 2014

As you can see, I'm still investigating, but I am asking here in case anyone has already found the reason and the solution.

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  • Can you try another user account? Is there something in the eventlog?
    – davidbaumann
    Commented Dec 19, 2014 at 16:48
  • Can you still start the task manager and try to kill process by process?
    – davidbaumann
    Commented Dec 19, 2014 at 16:49
  • If you suspect it's the updates then use System Restore to go back to a point before you installed them and see if it makes a difference. Otherwise, have you done and CHKDSK and SFC to check for file corruption yet?
    – Ƭᴇcʜιᴇ007
    Commented Dec 19, 2014 at 19:49

1 Answer 1

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I found the reason, almost by accident, because it was hard to trace:

An install of a new version of BOINC (in my case the new version 7.4.36) causes the issue.
After several reboots (not just one, strangely enough) it is gone.

I have now reported this in the BOINC forum.

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