Can't restart my macbook pro

i tried to force quit and now that window is stuck and i cannot turn off or do anything.  the 3 key escape is not working
help
j

First, ensure that you have a current backup of any critical files.
Then turn off File Vault Encryption:
When you turn off FileVault, encryption is turned off and the contents of your Mac is decrypted. The decrypting could take a while, depending on how much information you have stored. However, you can still use your Mac to do other tasks while the information is being decrypted.
Choose Apple menu > System Preferences, click Security & Privacy, then click FileVault.
Click the lock icon to unlock it, then enter an administrator name and password.
Click Turn Off FileVault.
Click Turn Off Encryption.
Once File Vault Encryption is disabled:
Reboot into recovery mode and re-run the Disk Utility Repair.  This should allow it to rebuild the volume image. 
Once this has completed successfully, you can re-enable FileVault Encryption if so desired.

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