Windows 11(beta) taskber blank issue

first of all i updated my windows 10 home version to windows 11 beta version tomorrow via windows insider program .it takes around 3-3.30 hour.after updating , all of the feature , settings , etc was perfectly working .but after i restart my laptop , taskber blank issue , settings button not opening and many more issue found.but if i open from task manager , then it is working.for example now i opened my browser via task manager