In OneNote, when I try to open a hyperlink, a windows open telling me,
Your organization's policies are preventing us from completing this action for you. For more info, please contact your help desk.
I cannot open any hyperlink in OneNote anymore; so how am I going to do so?
This maybe you have uninstalled the default browsers ( Google Chrome, Mozilla Firefox, … ), and the http protocol does not restore to the valid associations browser.
Download and install Microsoft Easy Fix Tools to fix it.