This tech note will address the CTL3D32.dll error fix when trying to launch Crimson 2.0 or 2.1 after upgrading to Windows 11
Crimson 2.0
Crimson 2.1
Downloaded copy of Crimson 2.0 or 2.1
Computer with Windows 11
Please note, you will be working with a Windows system file that might require Admin access. If that is the case, please contact your IT department.
Follow the below steps to replace the CTL3D32.dll file required for Crimson 2.x.
© HMS Networks AB 2025