Macrium free disabled?

I have set Macrium to do backups, two selections and each one runs automatically twice a week. Yesterday, I thought I would do a check and discovered that no backups had taken place since August 4th. When I checked I found that these backup had been disabled, task scheduler confirmed this, saying I no longer had the right permissions. It also said I needed to use System account. So now, I'm confused as to why this setup has changed, and what I should do to return it to it's usual setup....

Macrium free disabled?

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