The process seems to be 'TortoiseGit for Windows' which looks like a client for Apache.
"TortoiseSVN is an easy-to-use SCM / source control software for Microsoft Windows and possibly the best standalone Apache™ Subversion®client there is. It is implemented as a Windows shell extension, which makes it integrate seamlessly into the Windows explorer. Since it's not an integration for a specific IDE you can use it with whatever development tools you like." Source.
There's a fix here which is a setting change of "TortoiseGit->setting -> Icon Overlays choose "Shell" or "None" to disable TGitCache.exe."