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What does the PCCompanion.exe file do?

The PCCompanion.exe process is also known as Sony PC Companion or, as the case may be, Sony Ericsson PC Companion and is a part of Sony PC Companion or, as the case may be, Sony Ericsson PC Companion. This software is produced by Sony (www.sony.com). An obsolete or defective version of PCCompanion.exe can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about PCCompanion.exe Sony PC Companion

PCCompanion.exe is not part of Windows, but it is important nonetheless. The file PCCompanion.exe is found in a subdirectory of "C:\Program Files". Frequently occurring are file sizes such as 457,088 bytes (28% of all these files), 468,192 bytes as well as 4 other variants.
The PCCompanion file does not come from Microsoft and is not part of the operating system. When Windows starts, this process is automatically started at the same time (Registry: Run). The application does not appear as a visible window, but only in Task Manager. The file contains a digital signature from Verisign, a subsidiary of Symantec. Verisign thereby confirms this file's authenticity and integrity. For this reason, 39% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves PCCompanion.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about PCCompanion?

The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.

Summary: source: file.net

How to uninstall Sony PC Companion or Sony Ericsson PC Companion

To remove Sony PC Companion from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate Sony PC Companion or Sony Ericsson PC Companion in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
PCCompanion.exe Sony PC Companion fix

How to tell if PCCompanion.exe (Sony PC Companion) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of Sony PC Companion. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Sony PC Companion or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or PCCompanion.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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