Overclk ‘-‘ is not a valid integer value. (Unknown error)

Hello technical support guys here. I have a problem regarding to this one. Every day I encounter this error and I don’t know why?
It appears in my computer every day, and I don’t know what the problem is, does someone know what this error is? Please give me a solution on how to get rid of this one. Thanks.

Overclk
‘-‘ is not a valid integer value.
OK
