What is the FileSyncShell.dll component needed for?
Simply put, a DLL file is a renamed executable file. It cannot be executed directly but can be called by any Windows executable program.The FileSyncShell.dll process is also known as Microsoft OneDrive Shell Extension and is a part of Microsoft OneDrive. This software is produced by Microsoft (www.microsoft.com). An outdated or faulty version of FileSyncShell.dll can cause problems for your computer, ranging from slowness to error messages like these:
- Microsoft OneDrive Shell Extension has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- Microsoft OneDrive Shell Extension has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 11, 10, 7)
- FileSyncShell.dll has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module FileSyncShell.dll. Read of address 00000000.
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What you should know about FileSyncShell.dll Microsoft OneDrive Shell Extension
FileSyncShell.dll is not part of Windows, but it is important nonetheless. FileSyncShell.dll is found in a subdirectory of "C:\Users\USERNAME".
Frequently occurring are file sizes such as 329,376 bytes (26% of all these files), 1,587,912 bytes as well as 11 other variants.
This so-called dynamic link library (DLL) contains all the functions that have been transferred to a separate file. These transferred functions are available not only to this particular program, but can also be used by other applications.
It is unusual for the service not to provide any indication of how and why it is required. FileSyncShell.dll has a digital signature. This confirms that the producer has been registered with a certificate authority. The FileSyncShell file also can also affect other applications by changing their properties. Such manipulation can cause an application to do things other than what it is intended to do. The file was developed by a so-called third party provider - and not by Microsoft. This FileSyncShell program does not have a visible window, and does not appear on the taskbar.
FileSyncShell.dll is capable of record keystrokes.
For this reason, 34% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
A FileSyncShell.dll file has a 24% certainty of being dangerous if it is found in a subdirectory of "C:\Program Files". In this case, the file size is usually 1,610,120 bytes (9% of all these files), 1,270,640 bytes as well as 9 other variants. This process does not have a visible window, and does not appear on the taskbar. This file is no part of Microsoft Windows. The original file has been signed by a trusted signature authority. This lets you check your copy to see if it is a counterfeit. It also can also affect other applications by changing their properties. Such manipulation can cause an application to do things other than what it is intended to do. There is no concrete documentation available for this service. FileSyncShell.dll is capable of monitor other applications.
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 FileSyncShell.dll. 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 FileSyncShell?
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 Microsoft OneDrive
To remove Microsoft OneDrive Shell Extension from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
- Type 'uninstall'.
- Click Add or remove programs.
- Now locate Microsoft OneDrive in the list of displayed applications.
- Click the program, and then click Uninstall.
How to check if FileSyncShell.dll (Microsoft OneDrive Shell Extension) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of Microsoft OneDrive Shell Extension. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: Microsoft OneDrive Shell Extension or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or FileSyncShell.dll is causing problems, a good Windows diagnostic tool may 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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