If you have an old SBIGUDrv supported camera (i.e. not an STT, STX, STXL, STF, or ST-I model camera), and are unable to connect to it with SBIGUDrv version 4.96, we have identified an issue responsible for the behavior, and are working on a fix. In the meantime, we advise reverting your drivers until we are able to correct the issue in the next minor release. the attached zip file contains an older version of SBIGUDrv (version 4.92 build 0) which is confirmed to work with older cameras. Installation instructions are included with the driver. If you experience any issues, don't hesitate to contact us. Do not revert your drivers if you are using an STT, STX, STXL, STF, or ST-I model camera. This is only for ST (-7, -8, -2k, etc), and STL model cameras. We apologize for the confusion, and hope to have a fix out soon.