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Windows 7: Windows Failed to Start, winload.exe 0xc000000f

31 Mar 2015   #1
benjaminswill

Windows 7 home premium 64-bit
 
 
Windows Failed to Start, winload.exe 0xc000000f

Hi Folks,

I have a pretty serious problem that I've already gone through a number of steps to try and remedy, to no avail. I'll go through the history and let you know where I am now.

My computer crashed about a week ago - I cant remember exactly what it said, but I believe it went through the usual "fatal error" blue screen of death stuff and something about a crash memory dump. I turned the computer off during the memory dump because it seemed to have frozen. This happens with relative frequency with this computer, usually brought on by overheating. Usually the regular automatic recovery fixes the issue (at least temporarily).

This time however I got the "Windows Boot Manager" error when I started up the computer next. With "Windows failed to start...Insert your windows installation disc..."

I can't remember the file, code, or info. But automatic repair was failing with these details:

Automatic repair failed with these details:
Problem Signature 01: 6.1.7600.16385
Problem Signature 02: 6.1.7600.16385
Problem Signature 03: unknown
Problem Signature 04: -1
Problem Signature 05: External Media
Problem Signature 06: 1
Problem Signature 07: Missing Boot Manager
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1033


it may have been something with the bootloader since I ended up following all the instructions here: https://neosmart.net/wiki/recovering...ws-bootloader/

I rebuild the bootloader with all the "nuclear holocaust" instructions, but now when I go to boot from the HDD I get the same "Windows failed to start..." screen with:

Files: \Windows\system32\winload.exe

Status 0xc000000f

Info: Selected entry could not be loaded because the application is missing or corrupt


Running auto repair from the recovery disk gives me:



"Startup repair is unable to repair the computer automatically" with the details:


Problem Event Name: StartupRepairOffline
Problem Signature 01: 0.0.0.0
Problem Signature 02: 0.0.0.0
Problem Signature 03: unknown
Problem Signature 04: 0
Problem Signature 05: unknown
Problem Signature 06: 1
Problem Signature 07: unknown
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1033



The Startup Repair diagnosis and repair log gives:


Number of repair attempts:1


System Disk = \device\harddisk0
Windows directory = C:\windows
AutoChk Run = 0
Number of root causes = 1


Every test is completed successfully until
"Boot configuration is corrupt
Repair Action: Partition table repair
Result: Failed Error code = 0x490"



I tried following these instructions: https://neosmart.net/wiki/winload-exe-missing-corrupt/


bootrec /rebuildbcd gives me:


"Successfully scanned Windows installations
Total identified Windows installations: 0"


sfc /scannow gives me:

"There is a system repair pending which requires reboot to complete. Restart Windows and run sfc again"


but I get that every time, regardless of attempting any other repair.


I also tried using the Easy Recovery Essential Tool recommended on that page and others. When it comes up with volumes to repair none of them have valid windows installations either.


I also followed the instructions here: Troubleshooting Windows 7 Failure to Boot


and get to here: Use Bootrec.exe in the Windows RE to troubleshoot startup issues


When I run /fixmbr and /fixboot I get "operation completed successfully"


when I run /scanos and /rebuildbcd I get "successfully scanned.... total identified...0"


I followed these commands as well:

  • bcdedit /export C:\BCD_Backup
  • c:
  • cd boot
  • attrib bcd -s -h -r
  • ren c:\boot\bcd bcd.old
  • bootrec /RebuildBcd
but there is already a bcd.old file (I must have done this before) and /rebuildbcd give me the same "total identified windows installations: 0"


bootsect /nt60 sys gives me a successful message but booting from the HDD gives me the same error and system repair gives me the same errors as well.


I can't follow step 7 because I can't boot into safe mode, and I haven't tried steps 8 or 9, because I figured I would check here first.


Thank you all very much for your help - happy to try and post anything.


My System SpecsSystem Spec
.
31 Mar 2015   #2
gregrocker

 

Everything that possibly can be done is here for Troubleshooting Windows 7 Failure to Start.

You should complete the export and RebuildBCD regardless of what messages it gives you. That is your last hope. If you purchased the Easy Essentials disk then also try all the fixes detailed in Startup Repair Infinite Loop: Fix for Windows Vista, 7, 8, 8.1

If it won't start then rescue your files to do a perfect Clean Reinstall Windows 7.
My System SpecsSystem Spec
01 Apr 2015   #3
benjaminswill

Windows 7 home premium 64-bit
 
 

Thanks - I'm a little unclear on this direction or if it might be related to my problem.

"If both the System Active and Win7 partitions are on the same hard drive then unplug all other drives to do these repairs."

How do I know if the system active and win7 partitions are on the same hard drive, and how do I unplug other drivers to do the repairs? Or does this only apply to machines with more than one hard drive? I just have the one but it has a number of disks and partitions of course.

I'm also unable to access any drive except the 100mb system reserved one. There's a 450 gig drive which I assume has all my other files etc, but it's labeled as d: and in the raw format. When I run bootsect /nt60 all I t updates the bootcode on drive C:, but not d:

Thanks again.
My System SpecsSystem Spec
.

01 Apr 2015   #4
gregrocker

 

The hard drive may be failing if it is labeled RAW (or ruined).

In that case I'd test the drive using the maker's HD Diagnostic extended CD scan, followed by Disk Check.

If you have files to rescue I would try that first.
My System SpecsSystem Spec
01 Apr 2015   #5
benjaminswill

Windows 7 home premium 64-bit
 
 

So it won't matter if my recover partitions are working if my main partition is RAW correct?

Any thoughts on the best (free) way to recover files from a RAW drive? Looks like TestDisk is an option. If I could do that, sounds like a clean install might be my best bet.

Thanks again
My System SpecsSystem Spec
01 Apr 2015   #6
paul1149

Linux Lite 2.8 x64 (full-featured, fast, rock-solid)
 
 

I would try to recover the partition with a TestDisk or Partition Wizard boot disk.
My System SpecsSystem Spec
01 Apr 2015   #7
gregrocker

 

My System SpecsSystem Spec
01 Apr 2015   #8
benjaminswill

Windows 7 home premium 64-bit
 
 

Great, I'll try that tomorrow and post the results. Thanks.
My System SpecsSystem Spec
01 Apr 2015   #9
gregrocker

 

Also post back a camera snap of PW drive map showing all listings. This or Diskpart is how you confirm Active partition. But a RAW partition is essentially ruined and rarely recoverable. I'd confirm the HD condition to replace it with an SSD which is the best upgrade one can have - better than a new PC without one as long as you do a perfect Clean Reinstall - Factory OEM Windows 7.
My System SpecsSystem Spec
04 Apr 2015   #10
benjaminswill

Windows 7 home premium 64-bit
 
 

Here's what comes up on Partition Wizard Initially


https://www.dropbox.com/s/muz35sn2wm...31.51.jpg?dl=0

When I do a scan it comes up with this


https://www.dropbox.com/s/rvutft2flj...33.34.jpg?dl=0

it freezes there when it gets to the Ext2 partition, the scan freezes

I'm now trying to jump past that Ext2 partition and scan the rest of the disk.

Any thoughts on how to browse/transfer those files? Is there a repair option that doesn't risk losing data? Should I also try TestDisk?

Thanks again!
My System SpecsSystem Spec
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