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Danger level 3
Type: Potentially Unwanted Application


Our researchers have classified A1PCCleaner as a potentially unwanted program (PUP) that you should remove, because it deceives you into thinking that your computer is at great risk, when in reality it might be doing just fine. The program is advertised as a free optimization tool that enhances the performance of a computer. From the very outset we can say that all scan results are fake, and you should remove this PUP.

A1PCCleaner has its own website, which looks rather well and might give the impression of a legitimate application. However, its appearance should not be taken at face value. Upon closer inspection, we can see that it doesn’t contain too much information, just a few lines of text praising the program. At any rate, you cannot download it from the website as the download button doesn’t work. Nevertheless, the PUP may come bundled with other software from freeware sharing websites such as,,, and so on.

So, you should be careful when installing software bundles as they may contain undesirable additional content such as PUP’s, adware, browser hijackers, and so on. Thus, we advise you not to trust freeware distribution websites, and resist the temptation to download applications from them as they might contain the aforementioned infections. However, if you insist on installing a freeware bundle, remember to opt for advanced installation settings and remove any additional apps from the installation process, usually by uncheking the checkbox when running the installation wizard, but before the installation begins.

A1PCCleaner claims to fix registry errors, diagnose and repair various “issues,” clean up browser cookies and junk files, detect Trojans and malware, and so on and so forth. Ironically though, the program itself is malware, that you should remove. When you run the program it performs a scan of the system and prompts a window that says that your system may be infected with malicious programs. Note the word “may,” clearly that’s not a good sign, because the program discredits itself. At any rate, the prompted window also suggests to call “certified technicians,” by dialing the included number. The number is known to be used by scammers; therefore, we recommend that you remove A1PCCleaner ASAP.

All in all, A1PCCleaner is a fake program that claims your computer is infected when in reality that might not be the case. In fact, it doesn’t do anything useful as it only serves as a tool for cyber criminals to extort money from you. Therefore, we highly recommend that you remove this program as soon as you can by using our manual removal guide below. Alternatively, you can download SpyHunter that will remove all malicious applications including A1PCCleaner

How to remove A1PCCleaner from Windows

Windows 8 and Windows 8.1

  1. Open the Start Screen.
  2. Type Uninstall in the search box and then go to Settings.
  3. In the search results, click Uninstall a program, find A1PCCleaner.
  4. Click Uninstall.

Windows 7 and Windows Vista

  1. Click Start.
  2. Select Control Panel.
  3. Click Uninstall a program, find A1PCCleaner.
  4. Click Uninstall.

Windows XP

  1. Open the Start menu.
  2. Click Control Panel.
  3. Select Add or Remove Programs, find A1PCCleaner.
  4. Click Uninstall.
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