WB21 - Problem 2 table (1 reply)

Hi,
i have 2 table in a page in ajax mode.
When add the anchor at the table i have this problem:
- Chrome : Refresh the table 2 time where fill the data
- Edge: Refresh the continuously
- Opera: Same Chrome
- Internet explorer 8: The anchor is totaly wrong
- Firefox: work fine but slowly.

Another problem is the update of webdev 21. After update any project give me the error "Invalid vTable..."