Today we discovered that for some time, Microstudio, and only Microstudio of all MTU Products, was able to trigger the Uninstaller of ALL prior Microstudio versions, not just the last version.
We suspect this may be part of the cause of damaging other MTU products at the same time. As George pointed out above, uninstalling V2.611 will damage other MTU products. Thus, doing a Remove in even the latest Microstudio 3.004 could trigger the 2.611 Uninstaller.
Version 3.100 only runs the Uninstaller for the past version with the same Installer code (GUID). We used to change this code with every major version, but learned this was not the best thing to do.
We hope Version 3.100 will not damage other MTU Products. However, since the problem is the prior version's Uninstaller already on your computer, until they are all removed this problem could still appear.
We STRONLY suggest you never install Version 2.611 again.