What is it?
mobsync.exe belongs to Internet Explorer. It synchronize offline web pages, and edited offline documents, calendars, and email messages.
Why disable it?
I found it to be CPU consuming and a non-essential, so disabling it was a necessity.
How do I disable it?
1. Disable Offline Files (Control Panel > Offline Files.
2. Open the Registry Editor (Run > regedit) and navigate to the following:
3. Change the Enabled key from ‘1’ to ‘0’.
That’s it! mobsync.exe should no longer run again on startup.