Slow performance | InDesign CS5

When moving page items, the responsiveness of InDesign CS5 is slower than previous versions.

Do one or more of the following:

An issue involving display of pages when transparency is involved and thumbnails are being shown in the Pages panel was addressed in the 7.0.4 release:

http://www.adobe.com/downloads/updates

Open the Pages Panel options and deselect Show Thumbnails, which is turned on by default.

Choose Preferences > File Handling. Then deselect Always Save Preview Images With Documents.

Choose Preferences > Interface. Then set Live Screen Drawing mode to either Delayed or Never.

Choose Window > Output > Preflight. Then deselect Live Preflight.

Alternatively, ensure that you select only the smallest number of the most important preflight rules.