Mac OS 8.5 includes a new version of the QuickTime PowerPlug for computers with PowerPC microprocessors. The QuickTake 150 Installer replaces it with an older version (version 2.0).
To install the QuickTake 150 software, first remove the newer version of the QuickTime PowerPlug extension from the Extensions folder (within the System Folder) then install the QuickTake 150 software. After installation is finished, drag the PowerPlug file back to the Extensions folder, replacing the older one.
If you have experienced other problems since installing Mac OS 8.5 please read the About Mac OS 8.5 Read Me and Installing Mac OS 8.5 Read Me that come with Mac OS 8.5.
This information is from the Tech Info Library Article 58129: "
Mac OS 8.5: About Mac 0S 8.5 Read Me".