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 (Internet Explorer, Firefox or Google Chrome)?
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.
If you are using Windows 7:Please click on your Windows Start button...All Programs...iRacing...Start iRacing Service.Once the little black box opens and closes, go back to the iRacing Members site (you may need to refresh your browser) and it you should see the service running now.
If you have Windows 8 or Windows 10:
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.