Error 80090016 - Clear TPM
Creation date: 8/3/2026 12:47 PM
Updated: 8/3/2026 12:48 PM
This error happens when swapping hard drives.
1. Logged in as affected user open up command prompt as an administrator
2. Type in dsregcmd /leave
3. Open Device Manager right click TPM Module in Security and uninstall
4. Reboot then activate MS Office
***You may need to clear TPM from Windows by going to Security Processor Troubleshooting***
***If that fails, go into the system BIOs to also clear TPM keys. ***
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