When you try to enter a password for a wireless network, it might not be accepted if the following is true:
- You have Windows 10 with the Anniversary Update installed (version 1607)
- You are using a keyboard with a non-QWERTY layout, such as:
- AZERTY (French)
- QWERTZ (German/Switzerland)
- Cyrillic
- Latin American
- Entering the wi-fi password is the first thing you did after signing in to Windows 10