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  #1  
Old 10-30-2017, 03:26 PM
Ryan Douglas's Avatar
Ryan Douglas Ryan Douglas is offline
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Online update problems (KEError 21081, KEError 24052)

This post addresses two different problems with similar causes. Please read each problem description very carefully before taking any action. Applying the incorrect solution for your particular problem could make things worse.

PROBLEM #1:
An online update attempt failed partway through. Subsequent attempts to update result in "KEError 21081: The requested functionality is not available."

SYMPTOMS:
  • You receive KEError 21081 when you try to update RealFlight.
  • One or both of the following files is missing from your computer:
    C:\Program Files (x86)\Common Files\KnifeEdge\CopyLaunch8.exe
    C:\Program Files (x86)\Common Files\KnifeEdge\LauncherHelper8.exe
  • You have antivirus software such as McAfee, Bitdefender, or Trend Micro running on your computer and providing some type of real-time/heuristic protection.
You may not even be aware that antivirus software is active on your computer, making both diagnosis now and prevention in the future more difficult. You may have to look hard to find it. But if one or both of the above files is missing it is almost certainly due to intervention by antivirus software.

AFFECTS:
Users who attempt an online update with antivirus software active.

SOLUTION:
Unquarantine the file(s) listed above, then try the online update again. Note: Next you may experience KEError 24052. If so, please skip down to the Problem #2 section!

PREVENTION:
Please either disable all antivirus software during online updates in the future or add exceptions for the files/directories above as appropriate, depending on your level of comfort and technical knowledge. Please understand that we are not in a position to provide exact instructions for your specific antivirus software. You may need to refer to its documentation for additional assistance.


PROBLEM #2:
An online update attempt failed partway through. Subsequent attempts to update result in "KEError 24052: Unrecognized online update method."

SYMPTOMS:
  • You receive KEError 24052 when you try to update RealFlight.
  • You may have tried the Restore Defaults option or even uninstalling and reinstalling the software, without improvement.
  • One or both of the following files is missing from your computer:
    C:\Program Files (x86)\Common Files\KnifeEdge\CopyLaunch8.exe
    C:\Program Files (x86)\Common Files\KnifeEdge\LauncherHelper8.exe
  • You have antivirus software such as McAfee, Bitdefender, or Trend Micro running on your computer and providing some type of real-time/heuristic protection.
You may not even be aware that antivirus software is active on your computer, making both diagnosis now and prevention in the future more difficult. You may have to look hard to find it. But if one or both of the above files is missing it is almost certainly due to intervention by antivirus software.

AFFECTS:
Users who attempt to update from version 8.00.013 with antivirus software active. (Do not follow these steps if you were running a more recent version than 8.00.013 prior to the error. This fix is not designed for you.)

SOLUTION:
  • Exit all RealFlight software, including the Launcher.
  • Download this manual 8.00.019 update (50 MB).
  • Run the downloaded installer and follow the prompts. It will update you to version 8.00.019, which as a byproduct will fix your problem.
PREVENTION:
Once you have followed the solution steps above and are no longer running version 8.00.013, you should never find yourself in this exact situation again. If antivirus software quarantines the above files in the future, simply removing them from quarantine and retrying the update should work. Note that reinstalling RealFlight 8 could land you back here if you don't take steps to avoid the problem as described below, however.

Please either disable all antivirus software during online updates in the future or add exceptions for the files/directories above as appropriate, depending on your level of comfort and technical knowledge. Please understand that we are not in a position to provide exact instructions for your specific antivirus software. You may need to refer to its documentation for additional assistance.
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  #2  
Old 10-30-2017, 04:16 PM
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Kaos Kaos is offline
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Success! (with one added step)

Ryan,

Thank you so much! Your above tips eliminated the KEErrer 24052 message and got me to the actual download window, which announced the 43.6 MB file.

When I clicked on the download button, this new message came up:

KEError 12233 "Error creating file on disk. Make sure you have enough disk space."

Well, I have plenty of disc space, so I knew that wasn't the real problem. So just on a hunch, I clicked on the "Clear Cache" button and viola, the download worked!



Thanks again!
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  #3  
Old 11-03-2017, 08:39 PM
fivespeed fivespeed is offline
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I received my copy of RF8 yesterday.

Thanks to this notice of issues some were having with anti Virus software affecting RF updates (I have McAfee) I was prepared to sort out the problems. But I thought I would try to avoid them if possible. Knowing that there were issues with McAfee flagging certain files during the install and update process I turned off the "Real Time Scanning" feature of McAfee before I began the install.

It went through the install, registration and update without a hitch!

Thank you for the quick posting of help for these potential issues!

Jim
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  #4  
Old 11-06-2017, 04:33 PM
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Ryan Douglas Ryan Douglas is offline
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Thanks for the feedback!

The original post walked people through a series of steps to manually repair their 8.00.013 installation and avoid encountering the same problem when reattempting the update to 8.00.019. It has now been updated with a more elegant and helpful solution.

It has also been expanded to cover the potential situation where users in the future who may have a more recent version could encounter the same basic antivirus software problem, but for whom an update to 8.00.019 would be counterproductive (and even break things).
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  #5  
Old 11-06-2017, 04:42 PM
12oclockhigh 12oclockhigh is offline
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There were no problems installing on a system with Norton Utilities. I did not disable. Just a normal install.
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  #6  
Old 11-06-2017, 05:32 PM
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Ryan Douglas Ryan Douglas is offline
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Glad to hear it! Though I wouldn't expect this particular problem to manifest until attempting an online update. Still, we do officially recommend disabling AV software during installation. It's hard to predict when/where it will strike. And when it does, it sometimes leaves things in a ugly, even unrecoverable, state.
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  #7  
Old 11-06-2017, 07:53 PM
12oclockhigh 12oclockhigh is offline
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Pardon me... I meant the full process of installing and updating went without a hitch. Norton was on the entire time. No events or errors were noted so far in the use of RF8.
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  #8  
Old 11-06-2017, 09:20 PM
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Ryan Douglas Ryan Douglas is offline
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Ah, got it. Thanks for the update! Hopefully that means other Norton users will also not see any problems.
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  #9  
Old 11-12-2017, 10:53 AM
Quado Quado is offline
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Thanks, Ryan!

Worked like a charm.
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  #10  
Old 12-09-2017, 08:48 PM
Bellah1z Bellah1z is offline
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I keep getting a crash when I try to use the binocular gagets. It sends a report to KE, is there a fix coming?

Last edited by Bellah1z; 12-10-2017 at 01:45 AM.
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  #11  
Old 12-09-2017, 09:08 PM
12oclockhigh 12oclockhigh is offline
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I don't get an error message when using the binocular in RF8. I think you need to add more information. Just because you send an error report does not mean it will ever be worked on. Submitting is a very good starting point.
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  #12  
Old 12-10-2017, 12:25 AM
Bellah1z Bellah1z is offline
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Error message

Error Message: o\rfsim\image\ui\fonts\Arial Bold\Arial Bold~24.kefont.

When I use Binococular gadget, viewport and overhead only I get this error and the other gadgets don't crash.

I have a Vive attached but I only use gadgets in 2D mode without vive.

Asks me to send error report then program crashes.

I don't and never have had an O Drive ...

Any ideas ... I guess I will try a reinstall if no one else has had the problem?
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File Type: png Capture.PNG (3.9 KB, 3 views)

Last edited by Bellah1z; 12-10-2017 at 12:31 AM. Reason: updated info
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