Find Terms- pop up box ok button unresponsive results in the webclient page hanging

log into sql server large dev env
search for term 'and' to get back large resultset
On the pop up boxes, click on ok button( may need to click on 2nd or 3rd OK)
Expected result: OK button should respond and close the dialog box on click,
 and web page should not hang
Actual result: the OK button gets unresponsive after clicking on 2nd or 3rd ok Category text display, and then the whole web page gets unresponsive .
See the attached screenshot