Filename ctl3d32.dll ctl3d32.dll is applicable to Windows 95 only, and can be copied into the Windows\System directory if a customer fits the following criteria: 1. Was on a V3R1M1 servicepack prior to SF35403, and then upgraded to another Client Access for Windows 95 release --AND-- 2. Is experiencing problems related to ctl3d32.dll not being compatible with the installed operating system (Windows 95) (in particular, while using Lotus applications). On V3R1M1 prior to SF35403, the Windows NT version of ctl3d32.dll was incorrectly installed on Windows 95 systems. This was fixed in V3R1M1 SF35403 by installing the proper Windows 95 version of ctl3d32.dll.