file association verb fails when user declines uac dialog

[az0]

To Reproduce
Steps to reproduce the behavior:

1. Install BleachBit (I used build 1835)
2. Right click on file
3. Click "Shred with BleachBit"
4. Decline the UAC

File name is mangled.

The error happens every time.

Expected behavior
Delete file without admin rights.

Screenshots

Desktop (please complete the following information):

• OS: Windows 10
• BleachBit version build 1835 (post 4.2.0)