The software upgrade from September 8th is freezing constantly and do not allow text edition

After installing the software upgrade, editing text freezes.  The cursor might move up and down but not right or left, the end-line button doesn’t work and the text is weirdly divide in vertically.  The cursor disappears also. 

Hello Orlando, sorry to see this, what version of eM Client are you currently using on your computer, can you please check the exact release number in Help > About? What mail service are you using with eM Client?

What operating system are you using on your computer? Are you experiencing any errors or crashes thrown by the application?