On 10/07, Apple released their new version of Mac OS, Catalina, which now requires all programs to be written as 64bit applications and not have any dependencies on 32 bit libraries or resources. At the time of release, neither Sure Cuts a Lot 3 Pro nor Sure Cuts a Lot 4 Pro are 64bit applications and as a result have been rendered incompatible with the new OS. Since that point, however, Sure Cuts a Lot 4 Pro has received a 64 bit update. That said, please be aware that there might be a few hiccups using this upgraded version as the developer works to assure it is fully complaint with the new OS' standards.
Thank you for reporting this issue to us, we have noticed there may be trend with the new 64bit version of Sure Cuts A Lot 4 Pro. In our testing, the blade offset appears to be off like the image above, and changing the blade offset does not resolve the issue. We are in touch with the developer to see if this issue can be patched. In the meantime, if the the need for a software is dire, you can upgrade your copy of SCAL4Pro to SCAL5Pro for $60, as it is currently on sale. We have not encountered these issues on SCAL5Pro, and you can find a link to that upgrade here on USCutter.com. Please let us know if anyone is encountering other issues with these newly released builds, and I'll follow-up here when a new version is released.