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Kudos0

Need Norton drivers Win 10 x64

I have a Win 10 x64 install with Norton Security.  Recently Win 10 installed an update and now the system won’t boot.  It’s tripping over both symelam.sys and symefasi64.sys.  I’ve attempted to use the repair console to copy symelam.sys and the corresponding .inf and .cat files onto the system (copied from \system32\drivers\NSBUx64\1609000.047\ on a win 8.1 x86 computer), but cannot get a copy of symefasi64.sys from an x86 computer. 

My recovery options are few:  I don’t have restore points and if I have a recovery disk at all, I can’t be certain that it would have these files.  Even if I created such a recovery disk, I’ve probably misplaced or lost it.  I don’t have another computer that I can install a copy of win 10 x64 followed by an installation of Norton in order to obtain the files needed.  My only other choice besides replacing the damaged files is reinstalling windows.  However, if I can get obtain a copy of the pertinent files from the installer or from Norton/Symantec, I think I can get the system going again through the repair console. 

Does anyone know if there’s a way to extract the files from the installer?  Because I’ve struck out with Norton Support, I'm not sure if there is any other way of obtaining these files from Norton/Symantec. 

The BSOD error is: The operating system could be loaded because a critical system driver is missing or contain errors.  0xc000007b

Replies

Kudos0

Re: Need Norton drivers Win 10 x64

Start your computer in Safe mode with networking  and uninstall your Norton product. Then restart your system to test to see if the system will boot properly.

If all starts well, reinstall your Norton product, run LiveUpdate, restarting as necessary, until no updates are available. Then see if you still see the problem.

Things happen. Export/Backup your Norton Password Manager data.
Kudos0

Re: Need Norton drivers Win 10 x64

Thank you Peterweb,

I'm sorry it's taken so long to reply.  Unfortunately, no version of safe mode will allow boot up.  I still BSOD on those same drivers with safe mode, safe mode/network, and safe mode/command prompt.  It BSODs the same way every time.  I've also tried option 8 at the repair console, which I think is supposed to bypass AV programs (it seems to get past symelam.sys but trips instead on symefasi64.sys), and tried other pertinent repair console options, but none will get me past the driver issue. 

So I went ahead and bit the bullet and started a reinstall, but on a different hard disk that I got for the purpose.  Either I'll get the drivers that way for the original HD and pray that it works, or have to reinstall the OS on the original HD. 

Thank you for helping.  I do appreciate it. 

Kudos0

Re: Need Norton drivers Win 10 x64

It sounds like you will need to do a Windows repair. The message you quote says it is a critical system file. This does not sound like it is a Norton file causing the issue. And you also say it started after a Windows update.

Things happen. Export/Backup your Norton Password Manager data.
Kudos0

Re: Need Norton drivers Win 10 x64

I hate recommending something I have not personally done, but services can usually be disabled from the recovery consoles command prompt.  I have done that before but never tried it with Norton services and I don't know if Norton protection will prevent you from doing it but if I had to guess I would think that because windows and Norton are not fully loaded you might be able to.

Keep this at a last resort.

From the recovery console command line type:  listsvc

Find how the Norton service is listed and type: disable "ServiceName"

That should change the service from "automatic" to Off but be aware that if the system boots Norton may want to turn the service back on, so if you get all the way into windows you might want to uninstall the product or quickly run the remove and replace tool.

Best of luck,

Dave

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