If you are having trouble accessing the Maintenance/Project Request site, please follow these troubleshooting steps.
1. Addhttp://www.maintenanceconnection.com and https://www.maintenanceconnection.com to your browser's trusted sites list.
Go to Tools>Internet Options> Security>Trusted Sites>Sites
2. Delete the browser history again to clear the cache, make sure the first box is unchecked, and all the rest are checked, as below;