Lg 2.5.1 error in interface

i WANTED TO FLASH AN LG P700 BUT SOFTWARE INTERFACE IS INCOMPLETE CAN T CLICK THE 3 POINTS TO CHOOSE FLASH FILE.
PLZ CHECK AND GIVE SOLUTION.
TO LET YOU KNOW THAT I WAS HAVING THIS ERROR IN OLD PREVIOUS VERSIONS BUT WAS SOLVED AFTER UPDATE.
BUT NOW ERROR IS BACK.
BEST REGARDS
PUNTO-MOVIL