The file a0004067.dll is part of Microsoft Jet Expression Service from Microsoft Jet.  This is a database program created by Microsoft with no known security risks.

Registry errors are hard to understand.  When you think you have one fixed, a whole pack will pop up.  Don’t be misled by thinking you can handle this yourself.  Even the most experienced computer techs won’t go into the registry and fix these.  The possibility of permanent damage to your operating system is too risky.

Try a registry cleaner.  ZookaWare PC Cleaner guarantees optimum performance on your computer with a 60-day money-back guarantee.  There aren’t many software companies that will stand behind their products like that.

To get a free scan of your registry, click here.  ZookaWare PC Cleaner is a part of award-winning ZookaWare.  Their reputation with the Better Business Bureau and TuCow 5 Cows Awards speaks for itself.