Content Does Not Dispaly In Content Block

Hello,
         I am Using Sitefinity 4.2. 1.6.5.0. Version . I have Created  new page in that  i have added 1 Content Block For Adding the content.

After adding the Content n clking on save its not displaying the content.When i open it again its totally Blank Block...
My Content contains <ul></ul> and <p> tags ...

please help me out why so this happen???

Please Suggest me the Solution for this ... Its Urgent ...

Thanks & Regards
Vivek.

Hi Vivek,

I tried to reproduce the issue but to no avail. I am wondering whether I miss something in steps to reproduce.

Could you please prepare a new video with Jing  so I can see what happens on your side?

Thank you!

Kind regards,
Veronica Milcheva
the Telerik team