Visualforce page on Google Chrome 
We have an issue with showing Visualforce page on Chrome browser.
Chrome is considering this as an unsafe web page and doesn't show the content.
This is the error message on Google Chrome.
https://monosnap.com/file/zscbWfe4LkdDly0JBTQuwev5WMf8QR
 
How this can be resolved? 

We have a large number of records and need to update a fields based on various criteria. 
I know bulkify process builder is available, but not sure if I may still run to any issues or problems.
We may update records via Data Loader in large numbers (over 100k) and need to know if anyone has experienced this before.