Troubleshooting: Backup Error..Cannot open backup device

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Question: Error message: "Cannot open backup device '…..' Operating system error 5 (Access is denied)?" upon backup.

Version: 1.8 / 1.9 / 2.0

Possible Reason:

This is a permission issue of temporary backup folder at C:\Users\XXX\AppData\Local\Temp\AutoCount\.

The system cannot create temporary backup file at this path.


1. Grant permission to temporary folder C:\Users\XXX\AppData\Local\Temp\AutoCount\

Type %temp% in window box

Search for AutoCount Folder and set permission to everyone

2. Create a new temp folder,grant the permission for it and change the backup temporary folder in Backup > Options > Temporary Folder.

By:Hui Yan 160805, KM 170614; P170801

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