Error ID 55.

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Receiving plenty of Error 55 in Event viewer.

No idea what this error is. Anyone got some help on please?

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ID55 is a corruption in your windows system files.
Open an elevated CMD Prompt (right click icon and run as admin) or elevated Power Shell and run the following:

SFC /Scannow
If the scannow output displays that there are integrity violations (which cannot be fixed) whilst online run the following command in either an elevated powershell or cmd prompt:

DISM /Online /Cleanup-Image /RestoreHealth
Does your system run on a hard disk drive (HDD) or solid state drive (SSD)?

If debian is good enough for NASA...

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I ran the two commands, see attachment.

The error still shows in Event viewer.

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Run CHKDSK /F – you’ll probably have to tell it to run at boot time.

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Microfix

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I have run chkdsk /f and will see if that error appears again.

Thanks

 

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Dave, you are on the right track. There is a hotfix from MS if you are interested.

DELL SUPPORT
Event ID 55 Ntfs the file system structure on the disk is corrupt and unusable
https://www.dell.com/support/article/us/en/04/sln290554/event-id-55-ntfs-the-file-system-structure-on-the-disk-is-corrupt-and-unusable?lang=en

MS SUPPORT
Event ID 55 is logged in Windows 7 or Windows Server 2008 R2 and Windows may crash
https://support.microsoft.com/en-us/help/2885209/event-id-55-is-logged-in-windows-7-or-windows-server-2008-r2-and-windo
“To resolve this issue, we have released hotfixes for Windows 7 or Windows Server 2008 R2. Check out the prerequisites of the hotfix.”

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I am running Windows 10 version 1903.

Does the hotfix refer to Windows 10?

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Hello Dave, no the hotfix is for Windows 7/server 2008 not for windows 10, but the error is usually an NTFS issue or “shadow copies” (various backup type files) on the drive that may be corrupt.

RE: The file system structure on the disk is corrupt and unusable. Dell community
https://www.dell.com/community/Storage-Drives-Media/The-file-system-structure-on-the-disk-is-corrupt-and-unusable/m-p/4431531#M329532
It turned out to be the system shadow copies were bad. He deleted them.
“… I simply deleted them (vssadmin delete shadows /for=c: /all). Since then, there have been no errors reported…”

Another person mentioned running CHKDSK with the /R switch which scans for bad sectors. Go to the drive, properties, error checking and put a check in the 2nd box to look for bad sectors/clustors. This will scan the entire drive and take a LONG time, but it checks all the sectors on the drive.

According to Blogs.Technet.Microsoft, “Event ID 55 has alerted you to the fact that there is corruption on the volume, and the only tool capable of resolving the file system corruption is CHKDSK.”

Another odd possibility is the VSS size may be wrong for the drive used. If clearing out the VSS only temporarily fixes it, check the size allocated for its use vs. the space available on the drive.
Windows – How to Debug NTFS Disk Corruption Event ID 55
https://audministrator.wordpress.com/2016/03/16/windows-how-to-debug-event-id-55-disk-curruption/

Here is CHKDSK switches and information from Microsoft.
chkdsk 10/15/2017
https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/chkdsk

So, you might want to run the long version of CHKDSK with the /R switch. Let us know if that helped.

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I assume the (vssadmin delete shadows /for=c: /all) would have to

be run with an elevated command or not?

Thanks.

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Hello Dave, Yes elevated. “1. Open an elevated cmd prompt” Most changes dealing with SYSTEM or maybe Global need elevated.

There appears to be several reasons for the ID 55, all dealing with the drive and/or files, but not necessarily a sign of impending drive doom but make backups of your important stuff to be safe.

Keep us posted.

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Ran that elevated command and 26 files deleted.

Hope I have not messed things up.

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Hi Dave, from what I am reading the Shadow Copies have a schedule and will repopulate, so I don’t think you are hurting anything. I also thought there was a “create” button in there if one wanted to make one.

Here is an article that makes it sound like a good idea to occasionally delete these. I just remembered I actually had! In the past I was in Disk Cleanup and I told it to delete all but the most recent System Restore points and Shadow Copies.

This article provide steps for clearing stale or orphaned Microsoft VSS snapshots
https://unitrends-support.force.com/UnitrendsBackup/articles/Article/000006041

Keep us posted.

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Thanks for that info.

Since running that command yesterday, I don’t see see of

those errors, but I will keep you updated further.

Thanks

 

 

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Dave, Thank you for letting me (us) know you had what appears to be success.

I believe you said you ran (vssadmin delete shadows /for=c: /all) as admin and that did it.

I now wonder if one went to Disk Cleanup, while cleaning other files, were to click the tab to clear out all but the most recent System Restore Points and Shadow Copies would that had done it? I suspect yes.

Furthermore it is a good idea to occasionally run CHKDSK (error correction) on a drive and do the full test to search for bad sectors.

I am happy you have it under control now.

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Does Storage in Windows 10 not free up space by getting rid of files

you don’t need?

I have only one System Restore point which is up to date.

I’ll try to remember to run  CHKDSK occassionally.

Thanks for all your help.

 

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Dave, you said, “Does Storage in Windows 10 not free up space by getting rid of files you don’t need?” I would think that it would…..

Look at this other AskWoody topic, https://www.askwoody.com/forums/topic/can-cbs-logs-be-deleted/
CADesertRAT found where some of his lost free space went. I and others were helping there.

I would run Disk Cleanup and see what it finds. Also, do you have the file explorer to show all hidden files? File Explorer, View , Options, Change folder and search options, View tab, Advanced settings, “Show hidden files”.

If these suggestions don’t help, you might want to ask Microfix, or PKCano their opinions since I am not a Windows 10 1903 expert.

I hope the above does help.

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I have File Explorer set to show all hidden files.

I will  also check Disk Cleanup.

Thanks

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Dave,

The VSSadmin delete command deleted all your restore points. The number of restore points you have depends on the amount of your system drive you’ve configured to be available for system protection. Existing restore points will not be automatically deleted until you run out of space.

Since you deleted them all it will take a while to recreate your full compliment.

NOTE: you can use the new Settings applet to configure Storage Sense to manage automatic file deletion in a way which is very similar to Disk Cleanup. See Settings | System | Storage.

--Joe

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joep517 wrote:

The number of restore points you have depends on the amount of your system drive you’ve configured to be available for system protection

Windows 10 doesn’t create automatically Restore Points or Shadow Copies not even before installing crucial monthly updates.

Restore Points and Shadow Copies must be created manually by the user.

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Thanks.

I have manually create a Restore Point, and Revo Uninstaller created a RP

when I uninstalled o program. I have 47GB available for system protection.

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