You will nee to create a secondary local admin account to reset the pw for your primary account. To do this, you will need to create Windows 10 boot media (on another computer) and boot from it as if you were going to install Windows, but will instead use this environment to create the new admin account. To create Windows 10 installation boot media, see this Microsoft article: https://www.microsoft.com/en-us/software-downlo...
Alternatively, if you have Windows 10 DVD, you can boot from that, too.
After booting from the boot media, go to the section "Create a New User to Save Account Files" in this guide: https://www.howtogeek.com/222262/how-to-reset-y...
Note, the above link assumes your system drive is letter D:. If the command fails, then use C: in place of D: for the copy command.
One you are in with new admin account, add your current account to the admins group using netplwiz and correct the permissions issue.