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Step 1
Close the "Zoo Tycoon: The Complete Collection" installation window and remove the installation disk from the CD ROM drive.
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Step 2
Shut down any programs running on the computer that are not essential to the computer's operations. It is especially important to shut down any Microsoft programs, such as Word or Windows Media Player. Files which need to be updated during the installation of Zoo Tycoon: The Complete Collection may be used by these other programs, which causes the error.
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Step 3
Reinsert the Zoo Tycoon: The Complete Collection installation disk and follow the onscreen instructions to install the game.
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Step 4
Restart the computer once the installation is complete to ensure the installation was successful.
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Step 1
Open Zoo Tycoon: The Complete Collection and start a new game or open a saved game.
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Step 2
Click the "Construction" button on the top left corner of the screen to bring up the "Construction" menu.
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Step 3
Select "All" at the top of the menu and choose "Zoo Tycoon" to use the original features from "Zoo Tycoon" without the expansion packs.











