Here is some more information about kalinga.ttf
Kalinga.ttf does appear in the WINSXS folder as a Windows Resource Protected file. It is part of the installation manifest.
Kalinga is © 2006 Microsoft Corporation
Filesize: 207 KB (212,356 bytes)
Version: 5.90
MD5 Checksum: f2e58d09825cb28a11ce0fe36c85e51e
(You can use WinMD5Free to compare the checksum)
I suggest searching the entire C drive for this file, with the exact filesize, and checksum data. If you cannot find it, your installation has been compromised. This may sound funny due to a font, but you may have other errors that have yet to appear or that you have not detected.