The answer is, yes.

Open source codes are used by almost every one the free registry cleaners - which are basically the same source equally most of the paid registry fixers.

As free registry cleaners are "free", developers are concerned to offer user support. Oftentimes, their helpdesks are being hold by self volunteers.

As well, approximately all free registry cleaners are accepting ads to get the money for their developing and maintenance expenses. As a result, these free registry cleaners could show a few banner ads of pop-ups.

Now here's the problem with free registry cleaners...

You see, free registry cleaners job is, well, to clean the Windows registry. Over time, the registry picks up rubbish information by the events that your PC takes on. Install a software program, and you will see a few data will be placed into in the registry. Uninstall the software program, and your computer might not delete few of the data entered.

Free registry cleaners aim to solve these by deleting the unneeded and unwanted files.

But there are cases when a free registry cleaner delete files that are important to make Windows work. The resultants range from casual crashes to complete system failures.

Free registry cleaners, in general, are first-class choices for PC owners who wish to keep up a smooth-running system.

But just like anything in life, due diligence is needed to ensure extreme safety.

Take this as your indication. Visit these communities of this free registry cleaners. Dig up their forums. Read up on the dangers experienced by people who have used the free registry cleaners you are considering.

Remember, knowing the dangers will give you a better chance of avoiding them.