CFU File Type

By:   |   Updated: November 26, 2018

Microsoft Silver

CFU File Summary

Most CFU files can be viewed with Client Firewall from Symantec Corporation (the only known affiliated software application) and associated with the Symantec Client Firewall Policy Data format as it's primary file type. These files can be categorized as Data Files.

CFU files are found on both mobile and desktop platforms and can be opened using Windows operating system. The CFU File Extension carries a Popularity Rating of "Low", meaning that these files are scarcely found in most user's file stores.

Please see the detailed information below to learn more about CFU files and the programs that can open them. In addition, we provide simple troubleshooting information to help you open your CFU file.

Low
Popularity
7565
Standing

/ 11690

Active

File Status

26

November

2018

Updated

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Sorts of CFU Files


Main CFU Affiliation

.CFU
File Name:.cfu
Class:Symantec Client Firewall Policy Data

The file contains some type of policy data related to Client Firewall tool.

Developer: Symantec Corporation
Function:Data Files
Registry Key: HKEY_CLASSES_ROOT\.cfu

Software Programs That Open The Symantec Client Firewall Policy Data:


Client Firewall by Symantec Corporation

Windows

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CFU Usage


Operating System Rank

7 (45.73%)
10 (44.56%)
8.1 (5.41%)
XP (2.79%)
8 (0.97%)


CFU File Complications


Troubles Opening CFU Files

Client Firewall Not Present

You encounter an error message such as "%%os%% Can't Open CFU Files" when trying to open your CFU. If this is the case, it's usually due to the fact that you do not have Client Firewall for %%os%% installed on your computer. Your operating system cannot associate your CFU with Client Firewall, so double-clicking the file won't work.


Tip: If you don't have Client Firewall installed, and you know of another program to open your CFU file, you can try opening it by selecting from the programs listed under "Show Apps".


Obsolete Version of Client Firewall

Sometimes your installed version of Client Firewall won't support your Symantec Client Firewall Policy Data file. If you've got the wrong version of Client Firewall installed, you'll need to install the correct version. This problem is predominately due to having a Symantec Client Firewall Policy Data file version that was created by a newer version of Client Firewall than what you have installed on your PC.


Tip: Investigate your CFU file by right-clicking and selecting "Properties" to find clues on what version you need.


Ultimately, most of the difficulties opening CFU files are due to having the wrong version of Client Firewall installed.


Other Causes of CFU File Opening Problems

Although you might already have Client Firewall or another CFU-associated software installed on your computer, you can still encounter problems opening Symantec Client Firewall Policy Data files. If you are still having problems opening CFU files, there may be other issues that are preventing you from opening these files. Other contributing causes:

  • File references in the Windows Registry for CFU are wrong
  • Accidental deletion of the description of the CFU file in the Windows registry
  • Defective install of a CFU program, such as Client Firewall
  • Your CFU file is corrupted (issues with your Symantec Client Firewall Policy Data file itself)
  • Past or present virus infection has affected your CFU
  • CFU-related hardware has device drivers that obsolete
  • Too many applications are open on your PC to load your Symantec Client Firewall Policy Data file successfully

Quiz: Which file extension is the oldest in existence?









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