When in the details pane that scrolls vertically, pressing PgUp or PgDn shrinks the scroll bar thumb. Multiple presses of these buttons makes the thumb disappear altogether. Pressing the up or down arrows restores the size of the thumb back to normal. This issue does not interfere with actual scrolling.
When in the details pane that scrolls vertically, pressing
PgUporPgDnshrinks the scroll bar thumb. Multiple presses of these buttons makes the thumb disappear altogether. Pressing the up or down arrows restores the size of the thumb back to normal. This issue does not interfere with actual scrolling.