- Jun 19, 2014
- 2
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- 4,510
Hi everyone, first, I'm new so my apologies if this thread is in the wrong category. So I rebooted my dell laptop and got to the black screen where there were ''start windows normally'' and ''launch startup repair'', I chose start windows normally but it just rebooted and same thing happened, so I chose to launch system repair when it finished running same thing happened,it rebooted again and same, so I started it in safe mode and same thing, so I tried chosing from advanced boot options ''Last Known Good Configuration'', and the blue screen appeared which reads ''STOP : c000021a fatal system error'', then guess what happened, it rebooted and same thing happened 
.
So as you can see I cannot in anyway log on.
Also, I neither installed new drivers nor updated any.
Please help!
A million thanks to any help.
Edit; the reason I first rebooted my laptop was because avira free antivirus asked for a password (which I didn't set) for disabling the program and for accessing the admistrative section..so I googled and found this:
''Start the computer in safe mode then go to
C:\ProgramData\Avira\AntiVir Desktop\CONFIG
• Click with the right mouse button on the AVWIN.INI file and open it with the Notepad
• Edit the file under the item [COMMON] as follows:
Password=
SecurityExtension=0x00000000
• Save the file
• Restart your PC
• The password protection for Avira has now been removed''
And that's when it happened
.So as you can see I cannot in anyway log on.
Also, I neither installed new drivers nor updated any.
Please help!
A million thanks to any help.
Edit; the reason I first rebooted my laptop was because avira free antivirus asked for a password (which I didn't set) for disabling the program and for accessing the admistrative section..so I googled and found this:
''Start the computer in safe mode then go to
C:\ProgramData\Avira\AntiVir Desktop\CONFIG
• Click with the right mouse button on the AVWIN.INI file and open it with the Notepad
• Edit the file under the item [COMMON] as follows:
Password=
SecurityExtension=0x00000000
• Save the file
• Restart your PC
• The password protection for Avira has now been removed''
And that's when it happened
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