When updating from within a fresh 5.3.0 installation I get this:
Cannot complete the install because one or more required items could not be found. Software being installed: SYS/BIOS (IDE Client) 6.34.2.18 (com.ti.rtsc.SYSBIOS.product.ui.feature.group 6.34.2.18) Missing requirement: SYS/BIOS (IDE Client) 6.34.2.18 (com.ti.rtsc.SYSBIOS.product.ui.feature.group 6.34.2.18) requires 'com.ti.rtsc.SYSBIOS.product.ui [6.34.2.18]' but it could not be found