No Start button, toolbar or icons on desktop

Hi
After using and closing down my laptop correctly this morning, I have opened
up again to find no start button, toolbar or icons on my desktop. I receive 2
error messages. The first says Windows Explorer has encountered a problem and
needs to close. The second says DrWatsonPostmortem Debugger has encounted a
problem and needs to close. I cant refresh the page. The only thing I can get
up is task manager. There are 3 users on this laptop and the other 2 are
working, its just mine.
I have searched online for solutions and have tried the following answers -
1) open in safe mode and do a system restore.
2) do a system restore normally
3) remove explorer.exe from task manager process and then set up as new task
4) on task manager click new task type in regedit, clicked ok,go to
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\Current
Version\Image File Execution Options\ and delete explorer.exe and or
iexplorer.exe and reboot.
None of these have worked.
I am at the end of my tether and have been trying to sort this for 3 hours
now and am ready to throw the laptop out of the window! Surely it cant be a
virus as it would affect the other 2 users.
Any help would be appreciated, I am a bit techically challenged!!!!
Thank you

Not a Media Center related question, repost to the general group of what
ever version of Windows your using.

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"lyppy" <lyppy@discussions.microsoft.com> wrote in message
news:B4832362-D56F-475A-9A6C-538E72A8B0E9@microsoft.com...
> Hi
> After using and closing down my laptop correctly this morning, I have
> opened
> up again to find no start button, toolbar or icons on my desktop. I
> receive 2
> error messages. The first says Windows Explorer has encountered a problem
> and
> needs to close. The second says DrWatsonPostmortem Debugger has encounted
> a
> problem and needs to close. I cant refresh the page. The only thing I can
> get
> up is task manager. There are 3 users on this laptop and the other 2 are
> working, its just mine.
> I have searched online for solutions and have tried the following
> answers -
> 1) open in safe mode and do a system restore.
> 2) do a system restore normally
> 3) remove explorer.exe from task manager process and then set up as new
> task
> 4) on task manager click new task type in regedit, clicked ok,go to
> HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\Current
> Version\Image File Execution Options\ and delete explorer.exe and or
> iexplorer.exe and reboot.
> None of these have worked.
> I am at the end of my tether and have been trying to sort this for 3 hours
> now and am ready to throw the laptop out of the window! Surely it cant be
> a
> virus as it would affect the other 2 users.
> Any help would be appreciated, I am a bit techically challenged!!!!
> Thank you
>