windows update kb2976978 failed error code 800f0831

Uninstall the following programs please.
  • Bonjour;
  • Java 7 Update 80;
  • Java 8 Update 45;
  • MyWinLocker Suite - If you don't use it;
  • Panda Security Toolbar;
 
Alright. Since the Event Viewer reports corruption on the drive, we'll check is using CHKDSK /F to see if there's any bad sectors on it.

EndqYRa.png
Check Disk (chkdsk)
Follow the instructions below to run a CHKDSK scan on your Windows partition;
  • On Windows Vista & 7, click on the Windows Start Menu, then enter cmd in the search box, right-click on the cmd icon and select Run as Administrator
  • On Windows 8, drag your cursor in the bottom-left corner, and right-click on the metro menu preview, then select Command Prompt (Admin);
  • On Windows 8.1, right click on the Windows logo in the bottom-left corner and select Command Prompt (Admin);
  • Enter the command chkdsk /f (there's a space between "chkdsk" and "/f") and press on Enter;
  • A message will be returned, stating that the drive cannot be locked because it's already in use, and you'll be asked if you want to schedule the scan for the next restart. Enter y and press on Enter;
  • Restart your computer, and the chkdsk scan will be launched automatically;
  • Once the chkdsk scan is complete and you're back in Windows, find the log in the Event Viewer and copy/paste it in your next reply;
WARNING: Depending on your hard drive (specs, free space, fragmentation, etc.) this scan can be relatively long to complete. Give it all the time it needs to finish. Do not interrupt it for any reason there is, or you might be damaging your drive in the process and make your Windows unbootable. It's suggested to let this scan run overnight or when you leave the house for a few hours (when you go to work for example). If you are running this scan on a laptop, don't forget to leave it plugged in;
 
The chkdsk log :





Checking file system on C:
The type of the file system is NTFS.
Volume label is ACER.




A disk check has been scheduled.
Windows will now check the disk.


Stage 1: Examining basic file system structure ...
406016 file records processed. File verification completed.
7684 large file records processed. 0 bad file records processed.
Stage 2: Examining file name linkage ...
493018 index entries processed. Index verification completed.
0 unindexed files scanned. 0 unindexed files recovered.
Stage 3: Examining security descriptors ...
Cleaning up 381 unused index entries from index $SII of file 0x9.
Cleaning up 381 unused index entries from index $SDH of file 0x9.
Cleaning up 381 unused security descriptors.
Security descriptor verification completed.
43502 data files processed. CHKDSK is verifying Usn Journal...
41224496 USN bytes processed. Usn Journal verification completed.


Windows has scanned the file system and found no problems.
No further action is required.


470690815 KB total disk space.
85499264 KB in 210519 files.
153232 KB in 43503 indexes.
16 KB in bad sectors.
532199 KB in use by the system.
65536 KB occupied by the log file.
384506104 KB available on disk.


4096 bytes in each allocation unit.
117672703 total allocation units on disk.
96126526 allocation units available on disk.


Internal Info:
00 32 06 00 4c e0 03 00 d2 60 07 00 00 00 00 00 .2..L....`......
22 66 00 00 51 00 00 00 00 00 00 00 00 00 00 00 "f..Q...........


Windows has finished checking your disk.
Please wait while your computer restarts.
 
Alright we'll need to run CHKDSK /R now.

EndqYRa.png
Check Disk (chkdsk)
Follow the instructions below to run a CHKDSK scan on your Windows partition;
  • On Windows Vista & 7, click on the Windows Start Menu, then enter cmd in the search box, right-click on the cmd icon and select Run as Administrator
  • On Windows 8, drag your cursor in the bottom-left corner, and right-click on the metro menu preview, then select Command Prompt (Admin);
  • On Windows 8.1, right click on the Windows logo in the bottom-left corner and select Command Prompt (Admin);
  • Enter the command chkdsk /r (there's a space between "chkdsk" and "/r") and press on Enter;
  • A message will be returned, stating that the drive cannot be locked because it's already in use, and you'll be asked if you want to schedule the scan for the next restart. Enter y and press on Enter;
  • Restart your computer, and the chkdsk scan will be launched automatically;
  • Once the chkdsk scan is complete and you're back in Windows, find the log in the Event Viewer and copy/paste it in your next reply;
WARNING: Depending on your hard drive (specs, free space, fragmentation, etc.) this scan can be relatively long to complete. Give it all the time it needs to finish. Do not interrupt it for any reason there is, or you might be damaging your drive in the process and make your Windows unbootable. It's suggested to let this scan run overnight or when you leave the house for a few hours (when you go to work for example). If you are running this scan on a laptop, don't forget to leave it plugged in;
 
Here is the log :





Checking file system on C:
The type of the file system is NTFS.
Volume label is ACER.


A disk check has been scheduled.
Windows will now check the disk.


Stage 1: Examining basic file system structure ...
406016 file records processed. File verification completed.
7662 large file records processed. 0 bad file records processed.
Stage 2: Examining file name linkage ...
493040 index entries processed. Index verification completed.
0 unindexed files scanned. 0 unindexed files recovered.
Stage 3: Examining security descriptors ...
Cleaning up 18 unused index entries from index $SII of file 0x9.
Cleaning up 18 unused index entries from index $SDH of file 0x9.
Cleaning up 18 unused security descriptors.
Security descriptor verification completed.
43513 data files processed. CHKDSK is verifying Usn Journal...
34826832 USN bytes processed. Usn Journal verification completed.


Stage 4: Looking for bad clusters in user file data ...
Read failure with status 0xc000009c at offset 0x127ab9000 for 0x10000 bytes.
Read failure with status 0xc000009c at offset 0x127ac5000 for 0x1000 bytes.
Windows replaced bad clusters in file 51637
of name \Windows\INSTAL~1\{D3D5C~1\ARPPRO~1.EXE.
406000 files processed. File data verification completed.


Stage 5: Looking for bad, free clusters ...
96014094 free clusters processed. Free space verification is complete.
Adding 1 bad clusters to the Bad Clusters File.
CHKDSK discovered free space marked as allocated in the volume bitmap.


Windows has made corrections to the file system.
No further action is required.


470690815 KB total disk space.
85989764 KB in 210626 files.
153232 KB in 43514 indexes.
20 KB in bad sectors.
491423 KB in use by the system.
65536 KB occupied by the log file.
384056376 KB available on disk.


4096 bytes in each allocation unit.
117672703 total allocation units on disk.
96014094 allocation units available on disk.


Internal Info:
00 32 06 00 c2 e0 03 00 42 61 07 00 00 00 00 00 .2......Ba......
25 66 00 00 51 00 00 00 00 00 00 00 00 00 00 00 %f..Q...........


Windows has finished checking your disk.
Please wait while your computer restarts.
 
It seems that 4KB of additional bad sectors were found during that run, which is suspicious. Before we do anything else, we'll check your hard drive's health to make sure it's not failing. If it is, you'll have to replace it.

JcJ91sx.png
GSmartControl
Follow the instructions below to test your hard drive health with GSmartControl:
  • Download GSmartControl and save it on your Desktop;
  • Extract the content of the GSmartControl .zip archive and execute gsmartcontrol.exe;
  • Identify your drive in the list, and double-click on it to bring up it's window (usually you'll find your drive by it's size or it's brand name);
  • Go in the Perform Tests tab, then select Extended Self-test in the Test type drop-down list and click on Execute (this test can take a few hours to complete);
  • Once the test is over, the results will be displayed at the bottom of the window. Please copy and paste these results in your next reply;
  • Also, go in the Attributes tab and if you have any entries highlighted in red or pink, copy and paste their name in your next reply (or take a screenshot of the GSmartControl window and attach it in your next reply);
    info_failing.png
 
Your hard drive is currently failing. It could fail in a few days, like it could fail in a few years. At this point, it is recommended to change it for a new one. This hard drive cannot be trusted now to store your data, so I would back-up all your stuff on another storage device and order a new hard drive as soon as you can to replace it.
 
Hi Aura thanks for all the help. As I know next to nothing about how to change the hard drive of this laptop, will probably have to purchase another laptop.
 
Thanks. Looks doable but I could not find any Windows Installation CD in the box. Without this CD, can I still reinstall the Windows?
 
You'll need a Windows 7 installation .iso for your version of Windows. Do you have a USB Flash Drive or DVD of at least 4GB?
 
Are you are using Windows 8.1 x64. I have an .iso for that I can provide you. You'll have to download the .iso, make the USB bootable with it, then boot from it to install Windows 8.1 on your new hard drive.
 
Yes Windows 8.1 x64. How to make the USB bootable? Can I use the USB flash drive for storage again later?
 
Can I use the USB flash drive for storage again later?
Click to expand...

You'll only have 4GB or so space of storage left on it. Do you know how many GB of files you have to back-up?

How to make the USB bootable?
Click to expand...

We'll use RUFUS, I'll explain you how to proceed when the time comes.
 
Hi, I don't save anything important to the laptop so nothing much to backup. But I realised that I'd better get a new 4gb USB flash drive for this purpose.
 
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