Nothing of opening + Ctrl Alt Delete black screen

After about an hour of the execution of my office main (sometimes even less), it will stop completely anything, anything, closed opening and if I tap Ctrl + Alt + Delete, I get a black screen saying that it can not display logon, and security options etc.

I searched and tried different advice to reset the winsock to the damaged user account to clean start and closing off the coast of third-party services. Absolutely to squat. I also scanned for viruses, malware, spyware, etc. in normal and safe mode and nothing turned upward.

Please try to avoid of telling me to reformat or system restore, because the last system restore point I have is 2011 when we built the computer and it's basically like reformatting and I think I'll start to cry.

Hi, Crimson,

First of all, I suggest you to restart the system and keep it idle for more than an hour and check if the problem occurs.

As you've already tried several troubleshooting steps, and even the question persists in safe mode, I suggest you to use the tool (sfc) System File Checker in safe mode to troubleshoot missing or corrupted system files in Windows. This will help us determine if any system files are causing the problem:

How to use the System File Checker tool to fix the system files missing or corrupted on Windows Vista or Windows 7

http://support.Microsoft.com/kb/929833

Look for error messages in the event and after feedback from the observer.

Open event viewer

http://Windows.Microsoft.com/en-us/Windows7/open-Event-Viewer

What are the information contained in the logs of the event (Event Viewer)?

http://Windows.Microsoft.com/en-us/Windows7/what-information-appears-in-event-logs-Event-Viewer

Tags: Windows

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