What does the UACProxy.exe file do?
The UACProxy.exe process is also known as Clickfree Backup and is a part of Clickfree Backup or, as the case may be, PC Cleaners. This software is produced by Storage Appliance. An outdated or faulty version of UACProxy.exe can cause problems for your computer, ranging from slowness to error messages like these:
- Clickfree Backup has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- Clickfree Backup 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)
- UACProxy.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module UACProxy.exe. Read of address 00000000.
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What you should know about UACProxy.exe Clickfree Backup
UACProxy.exe is not part of Windows, but it is important nonetheless. The file UACProxy.exe is found in a subdirectory of "C:\Program Files".
Frequently occurring are file sizes such as 83,792 bytes (50% of all these files) or, as the case may be, 84,296 bytes.
It is the service "CFUACProxy_c2smb".
UACProxy.exe contains a digital signature from Verisign, a subsidiary of Symantec. Verisign thereby confirms this file's authenticity and integrity. This process does not appear as a visible window, but only in Task Manager. The file does not come from Microsoft and is not part of the operating system. It has a digital signature. This confirms that the producer has been registered with a certificate authority.
For this reason, 41% 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 UACProxy.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 UACProxy?
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 Clickfree Backup or PC Cleaners
To remove Clickfree Backup 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 Clickfree Backup or PC Cleaners in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if UACProxy.exe (Clickfree Backup) 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 Clickfree Backup. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: Clickfree Backup 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 UACProxy.exe 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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