What will happen when a PC restarts while installing a windows update

wht if my wsus server is restarted while installing updates.
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Glen KnightCommented:
The client computers will download the updates from the WSUS server and install it locally.

If it's in the process of downloading it will just start again when the server is available and it hits the next scheduled download
DonNetwork AdministratorCommented:
If downloading from your WSUS, it will continue where it left off when your server comes back online.

If installing, it will just start over.
anuboggaramAuthor Commented:
My question is what will happen if system restarts accidentaly while installing. and what is the recovering step if OS is currupt.

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Glen KnightCommented:
It makes no difference if it restarts accidentally or not, the process is the same.

I have never seen a failed install of an update cause a corrupt OS
It depneds upon what update is being installed at the time. I have had users restart their computer in the middle of an SP3 update and the computer did blue screen with no hope of recovery without doing a system rebuild.

With that said, I have done system restarts while the computer was installing them and it did pick up where it left off.  

So my suggestion to you is this....   If you are doing an update of any sort. Wait for the system to finish the install if you believe the system has hung-up then go down the path of rebooting.
Windows create a restore point whenever update is in the process. You just have to bring your system to last known good configuration or might boot and restore the files.

Secondly, if the problem persists and you find the OS is corrupt, then you have to specify the point of failure. So, at that point you can perform the restore of files, cause there might be other things happening that was not occcured with the update process itself.

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anuboggaramAuthor Commented:
found solution
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