Issue:

file extension not valid error:

error thumbs  {com.ephesoft.dmca.monitor.service.foldermoniterserviceimpll] file extension not valid

Cause:

Hidden files (Thumbs.DB) in drop folders.

Solution Disable Thumbs.db generation:

 

  1. Ensure you’re logged in using an administrator account.
  2. Hit Win+R, type gpedit.msc in the Run window and click OK. The Local Group Policy Editor will be launched.
  3. Navigate through the tree to User Configuration > Administrative Templates > Windows Components > then either Windows Explorer (Windows Vista/7) or File Explorer (Windows 8).001
  4. In the right-hand pane, double-click “Turn off the caching of thumbnails in hidden thumbs.db files”.
  5. Select Enabled (don’t make my mistake of choosing “Disabled” — you’re enabling the switching off of Thumbs.db. Not particularly intuitive, Microsoft!)002

 

 

 

 

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Walter Lee

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