Go on reading to know the details.
Today, we will show you another issue files system error (-2018374635).
According to reports, this error sometimes appears when trying to run ms options via the Run window.
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This is mainly because of the missing system files or components.
Fortunately, multiple ways can be used to help you out.
ClickYesin the User Account Control popup.

How to open Command Prompt (CMD) in Windows 11?
Step 2: In the CMD interface, jot down in the command SFC /scannowand then pressEnter.
Sometimes SFC stops working and verification stuck is a common issue.

Go to the related post -Quickly Fix SFC Scannow Not Working (Focus on 2 Cases).
Sometimes you may run into DISM error 87 when running this tool.
Run Check Disk
According to users, this way is worth trying.

So, follow the below-given instructions to update Windows 10.
Step 1: Click theWindows iconand tap onSettingsor pressWin + Ito directly open parameters.
Step 2: Click onUpdate & Securityand go to theWindows Updatepage.

Step 3: Click theCheck for updatesbutton.
If Windows finds some available updates, the system will download and install them automatically.
You are required to restart the PC several times to finish the installation.

This is similar to Windows Safe Mode.
Safe Mode: Whats the Difference and When to Use.
Step 2: Check the option ofHide all Microsoft servicesand clickDisable all.

Step 3: ClickApplyand thenOK.
Step 1: Right-select Taskbar in Windows 10 and chooseTask Manager.
Step 2: In theProcessestab, scroll down to find Windows Explorer.
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Step 3: Right-choose it and chooseEnd task.
Related post:What Is Windows PowerShell?
How About Windows PowerShell VS CMD?

See what you should do:
Step 1: PressWin + Xand clickWindows PowerShell (Admin).
Step 2: ClickYeswhen the User Account Control popup appears.
if you bump into the file system error (-2018374635) in Windows 10, run System Restore now.

Step 1: Typecreate a restore pointto the search box and poke the exact result to open theSystem Propertieswindow.
Step 2: ClickSystem Restoreto go on.
Step 4: ClickNext > Finishand the restoration process starts.

If there isnt a restore point, this way cannot help you.
Windows 10 System Restore stuck on initializing or restoring files?
This post gives helpful ways to fix System Restore stuck issue in 2 cases.

As a result, the error 2018374635 happens on your Windows 10 PC.
Step 1: nudge the start icon and right-press your profile image to chooseChange account tweaks.
Or, go toSettings > Accounts.
Step 2: ClickFamily & other users > Add someone else to this PC.
In terms of data backup, we recommend using the professionalfile backup software MiniTool ShadowMaker.
It is designed to back up files, folders, Windows systems, disks, and partitions.
Automatic backup, incremental and differential backup are supported.
Now, get its trial edition to have a shot.
Step 2: In theBackupinterface, choose files to back up by clickingSource.
Then, choose a path to save the backed-up data by clickingDestination.
Step 3: ClickBack up Nowto start the backup task.
Next, start to reset your PC:
Step 1: PressWin + Ito enter theSettingswindow.
Step 2: ClickUpdate & Security > Recoveryand click theGet startedbutton from theReset this PCsection.
Step 3: Choose an option to continue and here we recommend choosingKeep my files.
Step 4: SelectCloud downloadorLocal reinstallto go on.
This is because system issues/errors/bugs always happen suddenly, letting you feel annoyed.
To do this task, you’ve got the option to also run MiniTool ShadowMaker.
Step 3: spin up the backup by clickingBack up Now.
Bottom Line
How to fix file system error (-2018374635) in Windows 10?
In this post, you could find 10 ways and try them one by one to fix your issue.
Besides, creating a backup for your important data before PC resetting is recommended.
As well, making a system image with MiniTool ShadowMaker is a good idea.