File Backup does not work on windows 10 machine

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@marvinmm

\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\Mount\Program Files\Common Files\Microsoft Shared\ink\TabTip.exe

Check your drives SMART then chkdsk /r
Now you know you’re not having an underlying disk/file system issue

Urbackup by default runs as SYSTEM so make sure the ACL’s on those files have SYSTEM access.

\GLOBALROOT\Device*

Is the hidden VSS data area Urbackup copies data from after VSS snapshotting the volume pre-backup. Don’t mess with anything in that folder. You may be having VSS problems, do vss troubleshooting steps on the system.

Issue 2: Onedrive is doing special things with the file system when it’s “Save space and download files as you use them” option is enabled which isn’t VSS compliant. Uncheck that option under OneDrive settings to get the files backed up and remove the Urbackup error. See

Can't backup since 1803 update of Windows 10

Hi My understanding is that the files may actually not be on the drive. When you access the one drive folder, you’re effectively accessing a Microsoft share. Then one drive keep some kind of local cache of the files you accessed and there’s some sync going on. But these are not files in the traditional way, even if windows try to abstract this very well at present these as files in explorer. A test to do if you have access to another onedrive. Look at the disk usage of c: or whatever. Cop…