![]() Open the document called MyFileTypes.txt in your favorite text editor and search for the word “PowerPC” each one of these will require Rosetta support in order to execute. It will create a text file on your Desktop that will contain information about all the applications installed on your Mac. If you are an advanced user and familiar with the Unix shell on your Mac open Terminal and enter the following command: system_profiler SPApplicationsDataType >~/Desktop/MyFileTypes.txt Join the site and add your own knowledge and experience to help out other Mac users. You can also check out this website for information about application compatibility with OS X Lion: RoaringApps Crowd Sourced App Compatibility Database For OS X Lion. So check your applications and then check with your vendors about OS X Lion compatibility before upgrading your OS. If the vendor has a Universal or Intel version of their application then you will need to upgrade to it before upgrading to OS X Lion. I’ll lose this application when I upgrade to OS X Lion. In this case the vendor appears to have gone out of business so I’m out of luck. The only solution for people with the desire to upgrade to OS X Lion and retain their Rosetta applications is to contact the vendor and see if there is an upgrade to a version that is either Intel or Universal. Once OS X Lion was installed the icon for gpsWrite was turned into a “tombstone” as you can see in the Finder window above. The gpsWrite applications is PowerPC only and therefore it will not work on OS X Lion. Expand the General section if needed and look for “Kind.” You’ll see a window open in Finder like this one below. You can manually check each of your applications by clicking on its icon once to select it and pressing CMD+I. The Universal type includes Intel and PowerPC support, but the latter can make the application bloated and the redundant PowerPC version of the application on your Mac is just wasting disk space. If you are using an Intel based Mac than Intel is the best option. The other two Universal and Intel are okay since these are compatible with OS X Lion. ![]() The first one PowerPC requires Rosetta and will not run on OS X Lion. The most important thing to check first about an application is ask yourself, “What kind of application is it? ” These are the three types to be concerned about: PowerPC, Universal, and Intel. So the question is what can you do about it? Arrows point to app icons for apps that require Rosetta and no longer run in OS X Lion. The icon image for the Rosetta version of Geekbench above is one example, but we found a few others as you can see below - Epson Scan, a Traceroute application, and a GPS utility no longer work. OS X Lion has effectively killed them, but a “tombstone” icon remains to point them out. Therefore since OS X Lion doesn’t support Rosetta you can no longer use these applications on your Mac. I call those “tombstones” because those applications are the ones that require Rosetta in order to run. One of the first things you might see after upgrading to OS X Lion are white circles with a slash across them superimposed over some of your application icons.
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