Win 2008 R2 Task Scheduler won't start

My apps colleague tried to start a Task Scheduler & it won't start.
He then rebooted the server (remotely), & the server now won't
boot up (as we can't ping it remotely).

What are the possible reasons Task Scheduler can't start & where
can I look for clues?  In Event Viewer, under Apps?
Who is Participating?
Slav ZabickiConnect With a Mentor System EngineerCommented:
there could be a virus or malware.
sound stupid but one of my customers had that issue.

physically - you need to run the server in safe mode, install, let's say, malwarebytes or super antispyware, an antivirus program and scan the server.

sound very illogical but it may help.

also in the safe mode run sfc /scannow to check file consistency.
sunhuxAuthor Commented:
Under services.msc, it showed as 'Stopped' & nothing can be
done to start, restart it : these options are simply greyed out
Tony GiangrecoConnect With a Mentor Commented:
First, you need someone there to check and see way it won't restart. Next look into the kask situation. It could be the task neends the domain admin password to allow a change or there could be another instance of that task running and a rule that allows only one instance to run at one time.

There could also be a problem with the app itself... syntax, security, anything.
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sunhuxAuthor Commented:
We have Symantec Endpoint Security AV scan weekly & its
signature updated regularly.

I'll have a look at the suggestion below but management is bound to ask
why such a thing can happen?

I've also come across a couple of cases in 2 of our Win2008 R2 servers
where after reboot, the default gateway went missing & had to resort
to changing a registry key (documented in MS website).  Again management
will ask why such a thing could happen in the first place?  I can't say it's
due to lack of change control because nobody (all the Wintel & App
support chaps won't ack they change it)
sunhuxAuthor Commented:
Strange,  under "Local Users & Groups", no users are listed though
under Groups, I could see the groups.

When I tried to add a local id 'administrator' using my ADID ,
it says it's already there
sunhuxAuthor Commented:
sfc /scannow    says everything's fine on this server
sunhuxAuthor Commented:
In Event Viewer logs, there's a message:

Failed to schedule Software Protection service for re-start at 2013-01-21T06:01:48Z.
Error Code: 0x80070032

Source: Security-SPP
Event Id: 16385

Any further ideas?  This is urgent as we need the Task Scheduler badly
sunhuxAuthor Commented:
The only other red alert in Event Viewer is:

The description for Event Id 0 from source Schedule cannot be found.  Either
the component that raises this event is not installed on your local computer
or the installation is corrupted.  You can install or repair the component on
the local computer.

If the event originated on another computer, the display info had to be saved
with the event.

The followg info was included with the event:
Schedule error: 2
Initializing call failed, bailing out

Source: schedule
Slav ZabickiConnect With a Mentor System EngineerCommented:
first follow those steps:

I'm telling you I had the same problem and it was malware
sunhuxAuthor Commented:
I would very much like to use SuperAntispyware or other AV but the
only AV authorized on my client's servers is Symantec Endpoint Security
(which they did update the signatures regularly).

Decided to clone it over from the other good web server & then
do "sysprep" : just found that after cloning, I can't change the hostname
nor rejoin the domain: can someone give me the precise steps to do
sysprep, change hostname (& IP addr which I know what to do):
It currently disallow me to change the hostname
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