Chrome and Edge saving images as .auto but is not supported

[Sudden7503]

Hey there, when i "download --ads-all" the images are saved as .auto file in edge or chrome. When publishing --ads-all image file type .auto is not supported. When renaming files to .png and changing filename in yaml publishing is no Problem. Some Hints 4 solving the prob?
Win11+Edge/Chrome
[INFO] App version: 2024+6518a1f
[INFO] Python version: 3.12.6 (tags/v3.12.6:a4a2d2b, Sep 6 2024, 20:11:23) [MSC v.1940 64 bit (AMD64)]

[ERROR] Traceback (most recent call last):
File "kleinanzeigen_bot_main_.py", line 9, in
File "kleinanzeigen_bot_init_.py", line 901, in main
File "asyncio\base_events.py", line 687, in run_until_complete
File "kleinanzeigen_bot_init_.py", line 89, in run
File "kleinanzeigen_bot_init_.py", line 334, in load_ads
File "kleinanzeigen_bot\utils.py", line 48, in ensure
AssertionError: Unsupported image file type [ad_2923938290__img1.auto]

[PYI-20604:ERROR] Failed to execute script 'main' due to unhandled exception!