Saved login credentials cannot be decrypted on Windows

[Eukaryote1989]

Environment

Alchemy Beta 7.1.9.2516 (64bit)
Release Notes

CPU: Intel(R) Core(TM) i9-14900KF (3187.2 MHz)
Memory: 32557 MB
Concurrency: 32
OS Version: Microsoft Windows 11 64-bit (Build 26200.8973)
Graphics Card Vendor: NVIDIA Corporation
Graphics Card: NVIDIA GeForce RTX 4080 SUPER/PCIe/SSE2

Windows Graphics Driver Version: 32.0.15.9186
OpenGL Version: 4.6.0 NVIDIA 591.86

Window size: 3840x2054
Font Size Adjustment: 96pt
UI Font: Default
Monospace Font: Default
Chat Font: NotoSans
Script Font: Monospace
UI Scaling: 1.35
Draw distance: 438m
Bandwidth: 3000kbit/s
LOD factor: 2
Render quality: 6
Texture memory: 16045MB
Texture cache: 517MB / 655MB (79.0% used)
Disk cache: 1040MB / 1024MB (101.6% used)

RestrainedLove API: (disabled)
libcurl Version: libcurl/7.54.1 OpenSSL/1.1.1w zlib/1.3.1.zlib-ng WinIDN nghttp2/1.62.1
J2C Decoder Version: OpenJPEG Runtime: 2.4.0
Audio Driver Version: FMOD Studio 2.02.26
Dullahan: 1.14.0
CEF: 118.4.1+g3dd6078+chromium-118.0.5993.54
Chromium: 118.0.5993.54
LibVLC Version: 3.0.21
Voice Server Version: Not Connected
Compiler Version: MSVC 194234436
August 07 2026 06:31:21

Description

Alchemy Beta 7.1.9.2516 does not remember my Second Life login credentials.

When Alchemy starts, it displays:

“We can't fill in your username and password. This may happen when you change network setup.”

Deleting bin_conf.dat allows Alchemy to recreate the file after logging in with “Remember me/password” enabled, but on the next launch Alchemy is unable to decrypt the newly created file and the error returns.

I have used chatGPT to analyse the log file and it found several errors. Please see the attached document for details.

Reproduction steps

1. Start Alchemy Beta 7.1.9.2516 on Windows.
2. Enter Second Life username and password.
3. Enable the option to remember the login/password.
4. Log into Second Life successfully.
5. Log out normally and close Alchemy.
6. Start Alchemy again.

Alchemy_Viewer_Login_Error_Log_Analysis.docx