Adobe Acrobat Reader DC is repeatedly asking me to sign in

Whenever I (or another application) opens Adobe Acrobat Reader DC, it asks me to sign into an SJSU email ID and doesn't let me sign into any other type of account, interact with the application, or close the Adobe sign in page? How do I fix this? I'm a student at Purdue (not SJSU) and I use Adobe Sign to sign documents regularly so it's immperitive that I get this fixed. This only jha