# Scaler 2.9.1 crashes FL Studio 25.1.4 on project open

**URL:** <https://forum.scalermusic.com/t/scaler-2-9-1-crashes-fl-studio-25-1-4-on-project-open/23539>\
**Category:** Bug Reports\
**Created:** [September 4, 2025, 8:17pm UTC](https://forum.scalermusic.com/t/scaler-2-9-1-crashes-fl-studio-25-1-4-on-project-open/23539 "2025-09-04T20:17:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![zgraja](https://avatars.discourse-cdn.com/v4/letter/z/2acd7d/32.png) [@zgraja](https://forum.scalermusic.com/u/zgraja)\
**Post date:** [September 4, 2025, 8:17pm UTC](https://forum.scalermusic.com/t/scaler-2-9-1-crashes-fl-studio-25-1-4-on-project-open/23539/1 "2025-09-04T20:17:29Z")

</div>

When I try to open a project saved with an older version of FL Studio with the latest version, FL Studio crashes, displaying the crash log as below:

OS Version:  
Windows 11 (Version 24H2, OS Build 26100.4946, 64-bit Edition)

Exception:  
Access violation at address 00007FFD18F36353 in module ‘Scaler2.vst3’ (offset 5C6353). Read of address 0000000000001000

Callstack:  
00007FFD18970000:00007FFD18F36353: Scaler2.vst3  
00007FFD18970000:00007FFD18A0CCE8: Scaler2.vst3  
00007FFD18970000:00007FFD18A0C968: Scaler2.vst3  
00007FFE11060000:00007FFE110781D6: USER32.dll  
00007FFE11060000:00007FFE11075D2D: USER32.dll  
00000000741D0000:0000000074613456: FLEngine\_x64.dll  
00000000741D0000:00000000746134C8: FLEngine\_x64.dll  
00000000741D0000:000000007461399A: FLEngine\_x64.dll  
00000000741D0000:000000007504D01F: FLEngine\_x64.dll  
00000000741D0000:000000007504DC39: FLEngine\_x64.dll  
00007FF6E7B80000:00007FF6E7C5722D: FL64.exe  
0000000000000000:00000000000000C0:

Modules:  
Scaler2.vst3: C:\Program Files\Common Files\VST3\Scaler2.vst3  
USER32.dll: C:\WINDOWS\System32\USER32.dll  
FLEngine\_x64.dll: C:\Program Files (x86)\Image-Line\FL Studio 2025\FLEngine\_x64.dll  
FL64.exe: C:\Program Files (x86)\Image-Line\FL Studio 2025\FL64.exe