The h2c.dll file has yet to be identified, but before you start to worry there is a simple solution. There are thousands of Windows DLL files and people are working hard to get them all identified. That does not mean you cannot check to see if the file is a legitimate Windows DLL error or not.
All you need to do is run the free computer scan below. ZookaWare PC Cleaner will search your entire computer for registry related errors. If it lists the h2c.dll as a registry error, then you know it is legitimate and can take action from there.
If you choose to invest in a ZookaWare PC Cleaner license (good for one year) then ZookaWare PC Cleaner will remove the h2c.dll error along with all the other registry related errors on your computer. This will have your computer running as it did when it came out of the box! In addition, ZookaWare PC Cleaner comes with a 60-day money-back guarantee!