The complete oops message is:Event ID: 8193.
Volume Shadow Copy Service error: Unexpected error calling routine.
Many factors can contribute to VSS error 8193 Windows 10.

If so, you could start it manually.
If not, try stopping and restarting it to check for any improvements.
OpenControl Paneland chooseSmall iconsbesideView by.

Tap onAdministrative Tools>Service>Volume Shadow Copy.
Right-click onVolume Shadow Copyto choosePropertiesin the drop-down menu.
Click onStart>Apply>OKto enableVolume Shadow Copy Serviceand run it.

Once it detects some system files that have changed, it will replace the files with the correct version.
Heres how to do it:
Step 1.
Typecmdin thesearch barto locateCommand Promptand right-hit it to selectRun as administrator.
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In the command window, typesfc /scannow, hitEnterand wait for the process to complete.
If SFC finds some errors and it cannot solve them, launch the following commands.
Reboot your rig to examine if Event ID 8193 disappears.

To spare more storage space, you’re free to delete the Temporary Internet files.
Typecontrol panelin the search bar and hitEnter.
PressNetwork and Internet>Internet Options.

In theGeneraltab, click onDeleteunderBrowsing history.
Click onApply&OK.
Step 5. reboot your box to see if VSS Event ID 8193 persists.

You may encounter the error that temporary internet files location has changed.
This post shows you how to fix this problem.
Fix 4: Allow Permissions for online grid Service Account
Step 1.

Navigate to the following path:
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\VSS\Diag
Step 4.
Right-select theDiagkey and selectPermissionsin the drop-down menu.
Click onNETWORK SERVICE> checkAllowbesideFull Control> hitOKto save the changes.

Way 2: via Windows PowerShell
Step 1.
Right-choose theStarticon and highlightWindows PowerShell (Admin).
Step 2. trigger the following command one by one and dont forget to hitEnterafter each command.

After all the commands are complete, quitWindows PowerShell.
Typeeventvwr.mscin theRundialog and hitEnterto openEvent Viewer.
If prompted byUAC, click onYes.

InEvent Viewer, expandWindows Logsand double-click onApplications.
In theActionspane, hitFilter Current Log.
Under theFiltertab, selectVSSfromEvent sourcesdrop-down menu.
Select other options according to your needs and hitOK.
PressWin+Sto evoke the search bar > typeCreate a restore point> hitEnter.
Click onSystem Restoreand hitNext.
After the process is done, click onFinishto quit theSystem Restorewindow.
Warning: The system restore process cannot be interrupted once it starts.
If there is some data on the flash drive, it might be lost.
Move 1: Create a Bootable USB Disk
Step 1.
Download Windows 10 Media Creation Tool from theofficial Microsoft website.
Run it and then accept the license terms.
CheckCreate installation media (USB flash drive, DVD, or ISO file) for another PCand hitNext.
ChooseLanguage,Architecture&Editionand hitNextto continue.
TickUSB flash driveand hitNext.
Connect your USB drive to the computer and hitNext.
After Windows 10 installation files are downloaded, hitFinish.
Move 2: Reinstall Your System
Step 1.
Shut down your box and thenboot your box into BIOS.
Set your gear to boot with the bootable USB disk you created just now.
When you see theWindows Setuppage, clickNextto contine if you think the default language and preference is fine.
Now, Windows Setup will install your system from scratch.
Do you receive Event ID 8193: Volume Shadow Copy Service error in Windows Event Viewer?
At the same time, it also supports file sync and disk clone.
Download and follow the installation wizard to install MiniTool ShadowMaker Trial (free for 30 days).
MiniTool ShadowMaker TrialClick to Download100%Clean & Safe
Step 2.
Launch it and hitKeep Trial.
Click onOKto return to theBackup pageand pressBack Up Nowto start the task immediately.
Heres how to do it:
Step 1.
Launch this program and go to theToolspage.
Tap onMedia Builder>WinPE-based media with MiniTool plug-in> chooseUSB Flash Disk> hitYeswhen the warning message appears.
After the process is complete, hitFinish.
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Thats everything aboutEvent ID 8193: Volume Shadow Copy Serviceerror today.
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