If you get an error listing the c1d2hdao.dll file, this means a help file on your machine is having a problem.  The c1d2hdao dynamic link library is a part of ComponentOne’s Doc-To-Help software, a tool that creates help files for developers by converting them from a document format to a standard Windows help format.  Reinstalling to fix this problem isn’t a good option because you cannot be sure what software the file is attached to, so you are better off fixing the problem by cleaning the registry.

The Windows registry is a database that has information on the location of all the parts of every program installed on the computer.  When you uninstall or move programs, the registry is sometimes not properly updated.  Cleaning the registry removes unused entries and fixes errors.  ZookaWare PC Cleaner is a registry cleaner with a 100% guarantee and backed up by our good standing in the Better Business Bureau.  Run a free scan to check your computer today.

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ZookaWare runs on Windows Vista, 7, 8 and 10. It has no ads, popups or bundled software and fully uninstalls by clicking Start > All Programs > select ZookaWare and click Uninstall.

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