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MStruzak's avatar
MStruzak
Copper Contributor
Jun 14, 2020

OneDrive issues after update to Windows 10 2004

I recently updated Windows 10 to version 2004, and after the last update-related reboot OneDrive would keep complaining about not being able to connect to Windows--required for the Files On-Demand feature (see snapshot below). 

 

 

I tried both workarounds related to cldflt.sys described in this Support article, but in my case both were checking out fine.  I finally gave in & clicked Download Files, which was supposed to disable Files On-Demand and just pull down everything that wasn't there already.  But the sync gets stuck immediately, claiming that it's downloading 1 out of 35 files (18MB total), except no matter how long I leave it, or how many times I restart OneDrive or logout & back in or restart the entire machine, it never moves forward...

 

 

To make matters worse, none of the files synced to OneDrive now open; I am using OneDrive to backup Desktop, Documents, and Pictures, so none of those files can be opened...  Here is an example of a message thrown when trying to open a PDF on my Desktop (which, by the way, is fully sync'ed, as indicated by the green check overlay on the file's icon):

 

 

Any ideas how to get out of this pickle?   

  • MStruzak 

     

    Hi, please check \HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CldFlt\Instances

     

    After upgrade to build 2004, the DefaultInstance was set to CldFltUpper. 

     

    I changed the value as CldFlt, rebooted... And now the FOD function is back and fully functionnal.

     

    Hope this will work for you too. 

     

    I had the idea to change this value as on my professional computer, I only have one instance named CldFlt and not the CldFltUpper. 

     

     

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