Welcome to the FAQ (Frequently Asked Questions) page of our website! Here, you can find answers to commonly asked questions.

What is the Windows registry?

The Windows registry is one of the most crucial components required for Windows to operate. The Windows registry is a huge database comprising of multiple files that contain vast amounts of data that Windows and most applications use to store their settings in. On Windows XP and later, the registry is stored in a few files usually contained in the System32\Config folder as well as in the user folders. An advantage of having a central database for application settings is that it can easily be searched through. A downside of having a central database for settings is if one of the registry files becomes corrupted, the entire operating system can be rendered useless. If a single critical registry key/value becomes corrupted, it can leave your computer in an extremely unstable state or even leave you with an unbootable system. If the Windows registry becomes cluttered with obsolete/erroneous data, the efficiency of many applications and Windows itself are compromised. In recent version of Windows, Microsoft has implemented certain features such as System Restore to be able to recover from a corrupted registry.

Do registry cleaners really increase system speed?

Registry cleaners generally do not increase system speed, but they can make your computer easier to maintain. Some users claim they experience performance increases however, in our tests, there was no noticeable performance increase.

There is a great deal of controversy over the legitimacy of registry cleaners as to whether they actually do anything positive to system performance. Many registry cleaners simply remove any invalid reference in the registry, but the user will not actually experience any noticeable difference in system performance and may instead end up with more problems or even an unbootable system. We cannot confirm that registry cleaners increase system performance despite many users' claims. Our registry cleaner was mainly created to remove unnecessary data from your computer and possibly indirectly fix some problems. Our registry cleaner should not remove any critical data from your registry. However, registry cleaners should only be used by experienced Windows users. SysCheckUp will back up your registry and will remove invalid registry information to make your computer more manageable.

It is also important to note that software can only optimize Windows to a certain limit. New/upgraded hardware is recommended to improve performance more.

I just scanned my registry and it found XXXX errors. Does my registry really have that many errors/unnecessary items?

Yes, however, the sections of the registry that SysCheckUp scans for errors/unnecessary data in are generally not required for your computer to run, but they are necessary for better system manageability.

Does the amount of errors a registry cleaner finds determine that it is better?

No. Registry cleaners can delete completely valid registry data and render your computer useless. For this reason, registry cleaners should be used with caution.

What are the unnecessary files that SysCheckUp refers to, and why would I have them on my computer?

The "unnecessary files" that SysCheckUp refers to are files that many applications create to use for certain purposes. However, many times the files are not deleted after they are used. This causes your computer to fill up with unnecessary files that should have been deleted. The disk cleaner will free up hard drive space to make room for more useful files and folders.

Is SysCheckUp available in other languages?

Unfortunately, the only language SysCheckUp is available in currently is English. There may be plans to add other languages in the future, but due to SysCheckUp's design, it would be difficult to implement other languages into SysCheckUp. Also, translators are needed in order to accurately translate SysCheckUp.

Other Questions

What computer-related problems does SysCheckUp not fix?

SysCheckUp cannot fix hardware problems. Also, a large number of computer-related problems are caused by viruses and other malware. SysCheckUp was not created to remove malware. Please see the Security section in our recommended software page before using SysCheckUp for software to remove malware.

Why do several items consistently appear regardless of how many scans are run?

These items may be locked by other programs, or you do not have the required permissions to remove them. These items can be ignored.

Why would I still have so many unnecessary registry items after a complete reinstallation of Windows?

On a newly installed Windows computer, the registry cleaner will still find unnecessary items. These are usually leftovers from previous versions of Windows that Microsoft did not remove and should be safe to remove.

Can I receive a free copy of SysCheckUp?

Yes, if you find a bug in SysCheckUp and report it to us, you will be eligible to receive a free copy of SysCheckUp. You can report bugs here.

What should I do if I receive an error regarding not having proper permissions?

If you receive errors regarding not having proper permissions, make sure that your account has administrator privileges, and try resetting your registry permissions by following the steps in our Guides section.

Is SysCheckUp available in other languages?

Unfortunately, SysCheckUp is currently only available in English.

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