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Windows 8 corrupt system files(read if you're using Windows 8 or 8.1)

#1Fear The ClownPosted 5/24/2014 7:01:39 AM
In the last 2 months I have serviced over 15 Windows 8 machines that began experiencing slow loading times and random freezes/crashes suddenly. This has occurred on my work laptop 3 separate instances in that time period as well.

This is apparently a common issue and there is no permanent fix from Microsoft yet, it just appears to 'happen'. It is likely if you have a Windows 8 machine that you are experiencing this. I highly recommend if you read this post that you follow the below steps. The issue appears to afflict Windows 8 and 8.1 machines equally. Here is how to check and how to fix it.

Note: The length of time to run this repair will vary depending on the size of your boot drive. Expect between 30-60 minutes. Also, this fix requires an active internet connection during the process to complete.

1. Place your mouse cursor on the bottom left of your screen and right-click to open the 'power user' menu.

2. Left-click on Command Prompt(Admin).

3. In the open Command Prompt(Admin) type 'sfc /scannow' without the quotes. This will check your PC for corrupt system files.

4. After reaching 100% you will receive 1 of 2 messages. If the message states 'Windows did not find any integrity violations' then congratulations you are good to go! If you receive the messages 'Windows found corrupt system files but could not complete repair...' proceed to the next step.

5. From the same open command prompt type '/dism /online /cleanup-image /restorehealth' without the quotes. This will allow your corrupt system files to be repaired using an online image of your operating system from Microsoft.

6. After DISM completes you should receive a message along the lines 'Windows repaired all corrupt files'.

7. Reboot your machine.
i7-4770k@4.2GHZ | L337 GAMING Z87H3-A3X | GTX 760 2GB | 8GB DDR3
#2Rexdragon125Posted 5/24/2014 7:05:19 AM(edited)
One weird thing I've been noticing is that Windows 8 and 8.1 event logs will show improper shut down events even though they're always shut down by the menu command. It's like it powers off the drive before it can finish writing. It happens on my machine too.
#3Fear The Clown(Topic Creator)Posted 5/24/2014 7:20:57 AM
I receive some strange event log messages as well, though I haven't noticed what you're experiencing. I don't believe the corrupt system files issue affects the event log at all, though I do recommend running SFC to be sure. The effect it has personally had on my laptop is I will start experiencing slower times loading programs or accessing files and as the day progresses it will reach a point where I can barely open anything, so it seems to get progressively worse over time.
i7-4770k@4.2GHZ | L337 GAMING Z87H3-A3X | GTX 760 2GB | 8GB DDR3
#4Killah PriestPosted 5/24/2014 7:23:01 AM
last time I did a sfc /scannow it took literally 2 days to complete.

Laugh, and the world laughs with you. Weep, and you weep alone.
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#5Rexdragon125Posted 5/24/2014 8:49:44 AM
And it fixed some corruption. Thanks Clown.
#6Fear The Clown(Topic Creator)Posted 5/24/2014 9:37:01 AM
No prob, I suspect a lot more people have corrupt files than know it since the effects can be sliw to progress to a system failure state
i7-4770k@4.2GHZ | L337 GAMING Z87H3-A3X | GTX 760 2GB | 8GB DDR3
#7CardigansFanPosted 5/24/2014 9:58:03 AM(edited)
Currently running, gonna save this to a notepad for future use, thanks!

EDIT: It completed scan, and said it found corrupt files and fixed them (go Windows, barely installed it two months ago) - is that normal, or should I continue with that online image thing?
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#8Fear The Clown(Topic Creator)Posted 5/24/2014 11:02:04 AM
I would run SFC again and make sure you get the no corrupt files found message just to be sure. Your experience would be a first for me where SFC was actually able to repair the files in Windows 8.
i7-4770k@4.2GHZ | L337 GAMING Z87H3-A3X | GTX 760 2GB | 8GB DDR3
#9thebladeofwoePosted 5/24/2014 11:19:33 AM
Clown, lately I am waiting over a minute to boot from the password page and it is seriously being slow on all apps, games included. Do you think this may be a good idea for me to use?

Also I have a 5200 RPM HD, I bet it will take days to check aha.
A10 ('@2.3) HD 7600G & HD 7670M 8gb ram W8.
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#10Rexdragon125Posted 5/24/2014 11:38:10 AM
Just do it. It took me like half an hour for both scans.