How to Fix Printer Problems in Windows 10 

Sir mere laptop mai automatically popups close ho jate h (for example mene window key press kri then vo automatically close honaata h, ek or example deta hun jaise ki m word ko close krta hun cross(X) ko click kr k ( upper right side mai ) then waha pop-up aata h (save, save as, Don't save) then vo automatically close hojata h. Please help me

Sir apse ek help chahiye thi, Mera laptop 5g router se connect nai ho rha h 2.4g se hora h bas, jabki m hmesha pehle 5g se hi connect hokr kaam krta tha or laptop 5g compatible bhi h, ek dum se pta ni kya hog gya any suggestions ?????