1. Press Win+R , type gpedit.msc & Click on ok.
2. Navigate the left side & locate the above listed path .
Computer Configuration > Administrative Templates > System > Troubleshooting and Diagnostics > Disk Diagnostics
3. Double click on both of the listed settings and Click on Disable , by default it is set to not configured or enabled.
Settings –> Set It To
Disk Diagnostic :Configure Custom alert text –> Disabled
Disk Diagnostic :Configure Execution Level –> Disabled
4. Done!