From the AIP2018 Update (126.96.36.19934), the backup image has been assigned the read attribute to prevent a ransomware attack.
Because of this, the restore may fail.
07/10/2019 00:02:11.546 open file failed Level=ERROR 
07/10/2019 00:02:11.568 \192.168.0.1sharetest@test_d01_00001.aiv CreateIndexIOChunkFile failed Level=ERROR 
07/10/2019 00:02:11.578 exception caught: error(5) in RestoreVolume(3518) Level=ERROR 
This is a known issue.
Please uncheck the read attribute from the image file properties in Windows Explorer.
– ActiveImage Protector 2018 Update(188.8.131.5234)