Negative value on Effective Clock

[jonp200]

I just noticed there is a negative value in the minimum column of the Effective Clock values. I found it in the Core 0 T1 Effective Clock row as shown in the image below:

Is this normal to happen because I use the Power saver mode in Windows 10?

 

[Martin]

This is most probably some issue with internal counters, can you attach the HWiNFO Debug File generated when such a negative value is read?