What is the KatMouseS.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 KatMouseS.dll process is also known as Shell Hook or, as the case may be, KatMouse and is a part of Kat Mouse. This software is produced by unknown. An outdated or faulty version of KatMouseS.dll can cause problems for your computer, ranging from slowness to error messages like these:
- Shell Hook has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- Shell Hook 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)
- KatMouseS.dll has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module KatMouseS.dll. Read of address 00000000.
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What you should know about KatMouseS.dll Shell Hook
KatMouseS.dll is not part of Windows, but it is important nonetheless. The file KatMouseS.dll is found in a subdirectory of "C:\Program Files".
Frequently occurring are file sizes such as 44,032 bytes (62% of all these files), 34,816 bytes or, as the case may be, 43,520 bytes.
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.
There is no internal description of the file. The file is no part of Microsoft Windows. This KatMouseS program does not have a visible window, and does not appear on the taskbar. For this service - unlike Windows' own system services - there is no good description available. The 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.
KatMouseS.dll is capable of interpret keystrokes.
For this reason, 69% 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 KatMouseS.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 KatMouseS?
Mouse wheel manager (You can use the wheel for non-active windows if cursor on it) Onur ER | |
Mouse scrolling management utility (further information...) Nobody ;) |
Summary: 2 users consider KatMouseS.dll essential and should not be removed. source: file.net
How to uninstall Kat Mouse
To remove Shell Hook 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 Kat Mouse in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if KatMouseS.dll (Shell Hook) 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 Shell Hook. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: Shell Hook 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 KatMouseS.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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