restart at login screen

[Guest]

When I boot up my pc, it gets to the login screen, then restarts. Does the
same thing if I turn off reboot at system crash.
If I get in quick enough, and type my password in, itll try to log in, but
come up with the error:
The group policy service failed to login. The media may be write protected.
if I press F8, and use Boot from last known good configuration, it works fine.
but I have to do this every time I start my pc up.
I have put in the Vista disk and done a system repair, which hasnt helped at
all.

Any ideas?

 

[Guest]

Are you able to boot into Safe Mode? If yes, then it could indicate
that perhaps a driver is malfunctioning, a startup program is causing
the restart, or malware has hijacked some critical startup service. More
than likely a driver or service, because the "reset" happens even before
you get to the login screen.

If No, then use the F8 boot options, and use the "Disable Restart On
System Failure" option. If it is a BSOD you're getting, then this option
will allow you to see it and further diagnose what the problem is.


--
dzomlija

____________________________________
Peter Alexander Dzomlija
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As I said before, it gets to the login screen, I can type in my password if
Im quick
using f8 and disabling reboot on system crash changed nothing. no BSOD,
and it still restarts.

On a side note its been working fine today... I havent changed anything at
all :/

 

[Chad Harris]

Hey Marcus--

What happens (if you have a Vista DVD) when you try Startup Repair? Have
you tried Last Known Good also from F8?

CH