Unmount/Auto Eject Issue

[Magnetom82]

• Etcher version: 1.5.120
• Operating system and architecture: Windows 10 64bit
• Image flashed: Own Raspi Image
• Do you see any meaningful error information in the DevTools? Unmount Failed every time:

Wed Jun 30 2021 08:28:54 GMT+0200 (Mitteleuropäische Sommerzeit) Flash error ({"image":{"size":15986589696,"name":"rpi_image_V2_3_2_1.img","hasMBR":true,"partitions":[{"offset":4194304,"size":44979712,"type":12,"index":1},{"offset":50331648,"size":15936258048,"type":131,"index":2}],"extension":"img","path":"C:\Users\USM-iOT\Documents\LD2.0\rpi_image_V2_3_2_1.img"},"drives":[{"size":31914983424,"isVirtual":false,"enumerator":"SD","logicalBlockSize":512,"raw":"\\.\PhysicalDrive1","error":null,"isReadOnly":false,"displayName":"E:\","blockSize":4096,"isSCSI":true,"isRemovable":true,"device":"\\.\PhysicalDrive1","busVersion":"1.0","isSystem":false,"busType":"SD","isCard":true,"isUSB":false,"devicePath":null,"mountpoints":[{"path":"E:\"}],"description":"Generic SM32G SD Card","isUAS":false,"partitionTableType":"mbr"}],"driveCount":1,"uuid":"cc621376-8f84-487c-b57c-cc29fe4a5d44","flashInstanceUuid":"cc621376-8f84-487c-b57c-cc29fe4a5d44","error":{"name":"Error","message":"Unmount failed","stack":"Error: Unmount failed"},"sample":0.1,"applicationSessionUuid":"26813861-db8d-4633-8acd-00ce2a10b0dc","flashingWorkflowUuid":"168a0dbc-516d-4600-8da0-88cdb7173e4c"})

This is a combined Error from Issue #3516 and Issue #1370

Drive Error shows automatically from Windows shortly before Etcher reports the Error

Etcher Error

[thundron]

will be solved with #3197 , closing this one