How to Modify the Boot.ini file
To modify the Boot.ini file take the following steps:
1. Go to My Computer and select the C:\ drive
2. From the Menu bar select the Tools menu and then select Folder Options
3. Go to the View tab
4. Under the Hidden Files and Folders select Show hidden files and folders
5. Uncheck the Hide protected operating system files. This action should make the file visible on the root of C:\
6. Right-click the file go to Properties and uncheck the Read-Only attribute
7. Make the necessary changes, save the file and then add the Read-Only attribute back to the file.