Index.dat files records all details of your internet browsing habits and you can’t uninstall them in a normal method. Even deleting cookies and internet history files retains these index.dat files.
Here discussing two methods for completely removing Index.dat files.
1. In Windows XP, while booting your computer select ‘advanced booting’ option by pressing F5 or F8 on the key board. Select ‘Safe mode with command prompt’ and log in as Administrator. Now go to root directory and type in “delindex.dat /s” which will delete all Index.dat files.
2. You can delete Index.dat files very easily with a small utility Delete doctor. The software is very small, below 100kb in size and no installation required. Just run the exe file and select the root directory of all Index.dat file (example: ‘my document and settings’) and schedule for deletion upon system restart.
You can also delete other files like files left by Trojans or corrupted files. Select a file to delete from the built-in file browser or drag a file to the application's icon or window from Window's Explorer.
License - Free