you need to follow step in below to do some setting.
1. Open IE;
2. Click "setup", and then chose "Compatibility View Settings".
3. add "http://localhost" to "Add this site", and chose"Using a new list of Microsoft compatibility ".
4. Reopen WLAN Planner.
if you still have the problem, please contact with songshuai1@huawei.com.
Thanks!