Fix event ID 55, 50, 98, 140 disk error in event viewer

If you find event ID 55, 50, 140 or 98 in the Event Viewer of Windows 11/10, or encounter an error that the disk file system structure is damaged and unusable, please follow the guide below to resolve the issue.

What does Event 55, File system structure on disk corrupted and unavailable mean?

55th Session, Ntfs

The file system structure on the disk is corrupted and unusable. Please run the chkMSK utility

on the volume

When NTFS cannot write data to the transaction log, an error with event ID 55 will be triggered, which will cause NTFS to be unable to complete the operation of being unable to write transaction data. This error usually occurs when the file system is corrupted, possibly due to bad sectors on the disk or incomplete input/output requests from the file system to the disk subsystem.

What is Event ID 98?

Event ID 98 Volume C: (DeviceHarddiskVol 3) Needs to be taken offline to perform a full ChkMSK. Please run "CHKDSK /F" locally through the command line, or run "REPAIR—VOLUME drive:" locally or remotely through PowerShell. <>

When event ID 98 is encountered, the volume needs to be set offline to complete the check for ChkMSK errors. This indicates a problem with the file system on the disk and the NTFS drive is unable to write the transaction log. This may be due to bad sectors on the disk, causing problems with input and output operations.

Fix event ID 55, 50, 98, 140 disk error in event viewer

To fix Event ID 55, 50, 98, 140 disk errors in Event Viewer on Windows 11/10, you can use the following fixes.

Run ChkMSK command

Run SFC scan

Update filter driver

Update or reinstall SCSI port or RAID controller driver

Update third-party storage drivers

Physically Make Hardware Changes

Recover data and format disk

Let’s dive into the details of each method and solve the problem.

1]Run Chkdsk command

When we see disk errors on Windows, the first thing we need to do is run the ChkMSK command. It is a built-in utility on Windows that checks file system integrity and fixes file system errors while running it. chkdsk/R Then press Enter. If you are asked to restart your computer, save your work and do so. On reboot, the tool will run, find errors and fix them.

Read: CHKDSK access is denied because you do not have sufficient permissions or the disk may be locked

2]Run SFC scan

Event IDs 55, 50, 140, and 98 can occur due to file system corruption. To ensure that the file system is intact without any corrupted or missing files, you need to run an SFC (System File Removal) scan. This will scan all system files for problems and automatically replace or restore them.

To run an SFC scan, open a command prompt as an administrator, type SFC/scannow, and press Enter.

3]Update filter driver

Filter drivers are optional drivers used to determine the behavior of file systems, storage, networking, etc. They filter input and output operations for one or more file systems on Windows. Since event ID errors are caused by file system corruption, it is best to update the file system filter driver to fix the issue. Since filter drivers are optional, you may not find them in Device Manager.

If you find the File System Filter driver under the "Storage Controllers" category in Device Manager, right-click it and select Uninstall. You can install the driver on the PC manufacturer's official website. Go to the device manufacturer's official website, enter the device model, and download the filter driver. Then, install them on your Windows PC.

4]Update or reinstall the SCSI port or RAID controller driver

SCSI (Small Computer System Interface) port drivers communicate between the operating system and SCSI devices such as hard drives, CD/DVD drives, scanners, and printers. Nowadays, there are few SCSI port drivers as there are other interfaces like SATA (Serial ATA) and SAS (Serial Attached SCSI) technologies. If you still have the SCSI port driver on your computer, you will need to update it to the latest version. Normally, Windows Update takes care of drivers and their updates. In this case, reinstalling will be a better option.

The RAID (Redundant Array of Independent Disks) controller driver handles communication between the operating system and the RAID controller. RAID technology allows multiple hard drives to be combined into a single logical unit for improved performance.

To update the SCSI port or RAID controller driver, you can check Windows Updates and install pending updates (if any).

To reinstall the SCSI port or RAID controller driver, open Device Manager, look for the category "SCSI and RAID Controllers", and expand it. If you can't find that category, check "Other Devices." Right-click the SCSI/RAID host controller, select Uninstall, and then complete the uninstall. Now, go to the official support website of your device manufacturer and enter your device model number. Download the SCSI/RAID controller driver and install it on your computer. Alternatively, you can install the driver through an optional update.

5]Update third-party storage driver

If you have installed a third-party storage driver or a disk manufacturer's driver, you must update it to the latest version. Sometimes they can block communication and prevent Event Viewer from writing logs to disk. You can find updates for them on the disk manufacturer's official website or on the program that comes with the driver.

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