Thank you for your question.
There are numerous utilities to delete the index.dat files however
most are shareware in the $20-30 price range and most require a
rebooting since the index.dat is locked and can not be deleted while
Windows is running. There are a number of suggestions posted on how to
delete manually, such as logging in as another user and then deleting
YOUR index.dat files, logging out etc. These seem to work some of the
However, I located this free utility for you that seems to be elegant
in design and allows you to delete these files without a reboot or
"...Ever had such an annoying message given by Windows?
It has many other flavors:
Cannot delete file: Access is denied
There has been a sharing violation.
The source or destination file may be in use.
The file is in use by another program or user.
Make sure the disk is not full or write-protected and that the file is
not currently in use.
Unlocker is the solution!
Simply right click the folder or file and select Unlocker..."
Do check the page and try this utility. I'm particulary fond of the
function of right clicking the file, unlocking and then deleting.
And do check their comparison of features against a good variety of
their competition. Just in case you wish to try alternatives, the
competitors are all linked and noted which are free, which cost and
what they are capable of deleting.
delete index.dat utility +free
I trust my research has provided you with several options to remove
your index.dat files. If a link above should fail to work or anything
require further explanation or research, please do post a Request for
Clarification prior to rating the answer and closing the question and
I will be pleased to assist further.