Please confirm that your Windows operating system is 64bit and not 32bit. If it is 32bit, you will have this issue.
Please note, you can not install iRacing to the root of a hard drive. By default, the iRacing software is installed to C:\Program Files (x86)\iRacing. If you want to install it elsewhere, it must be in a folder, not to the root of the hard drive.
In order to determine if your issue is caused by a specific browser or something else, can you please let us know which browser this is happening with and if the same thing happens if you try with another browser type (Google Chrome, Firefox or Microsoft Edge)? If you are using Internet Explorer - we no longer support this browser so please try a supported browser.
If you are getting the "Not In Service" error message, this means that something on your computer has shut down the iRacing Service which automatically starts up each time you boot up your computer.
On your keyboard select the Windows icon key and the letter E at the same time
Within this window Select Computer
Open your C drive
Open Program Files (x86)
Open your iRacing Folder
Then Select (double click) START_iRacingservice.bat (let that black box disappear)Log back onto members.iRacing.com or refresh the page.