Updated POL Now "Cannot Open Content Class Error

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Updated POL now "Cannot open content class error
 Leviathan.Kozumi
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By Leviathan.Kozumi 2026-11-09 11:31:57
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Hi,
I use ashita and updated my POL
Now I can't launch it and I get this error


If I open POL itself (pol.exe) i get these errors:



Anyone know how to fix?

Edit: Registry error. This fixed it (Follow all steps, including adding installfolder!)
https://www.reddit.com/r/ffxi/comments/1lk6f11/fix_for_cannot_open_registry_key_class_not/
 Asura.Reidden
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By Asura.Reidden 2026-11-09 11:47:21
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I had a weird message too after updating. I shutdown all other opened POL and rebooted. No longer getting message and POL appears to be opening fine.
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By Genoxd 2026-11-09 11:52:42
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Ashita has a discord, you should ask in their support channels
 Leviathan.Kozumi
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By Leviathan.Kozumi 2026-11-09 12:13:05
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https://www.reddit.com/r/ffxi/comments/1lk6f11/fix_for_cannot_open_registry_key_class_not/

This fixes it, but now my POL is full screened when launched via shita and not windowed...hmmm

Fixed after launching it once and updating POL again, I guess.
 Leviathan.Kozumi
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By Leviathan.Kozumi 2026-11-09 12:37:21
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Genoxd said: »
Ashita has a discord, you should ask in their support channels
Ashita development is pretty dead in the water due to AI slop overload.
 Bahamut.Vitrolant
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By Bahamut.Vitrolant 2026-11-09 22:15:23
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Had the problem too, thought I was able to fix it but now it wont let me update. Tried reinstalling POL and either checking files or trying to log in the update fails and gives me a POL-1155 error.

In the update notes for POL it has this line. " have difficulty connecting to PlayOnline, please review your security software documentation and change its settings if needed." what does that mean. (i did add POL as an exemption in my antivirus.
 Cerberus.Gillesjboulon
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By Cerberus.Gillesjboulon 2026-11-10 01:04:06
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Same error for me (POL-1155)
PlayonlineViewer (EU) don't want to update some files
I'm currently reinstalling POL US
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By saga2121 2026-11-10 01:09:04
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@Vitrolant
Try rebooting. It worked for my reinstall.
 Bahamut.Vitrolant
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By Bahamut.Vitrolant 2026-11-10 08:24:54
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I have rebooted like 3 times before posting here. Just shutdown and still have the same issue.
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By Draylo 2026-11-10 21:01:49
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I keep getting "Null item" in my chat logs and random freezing

ok random freezing was because the windower largeaddressaware does not work even when toggled on. So I redid that

still figuring out the null item
 Bismarck.Zuidar
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By Bismarck.Zuidar 2026-11-11 00:25:22
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Draylo said: »
I keep getting "Null item" in my chat logs and random freezing

ok random freezing was because the windower largeaddressaware does not work even when toggled on. So I redid that

still figuring out the null item

The null item thing is because of the Translate addon for some reason. disable translate addon
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By Felgarr 2026-11-11 00:52:05
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Leviathan.Kozumi said: »
Genoxd said: »
Ashita has a discord, you should ask in their support channels
Ashita development is pretty dead in the water due to AI slop overload.

I don't represent the Ashita project, but it's not dead. atom0s has already released fixes for the update (1 is in beta/his patreon for a little bit).

Just my two cents: With the influx of AI slop code, some of us have had to be more selective about how we spend our free time, particularly when many projects, addons, plugins, etc ...require lots of effort to work correctly. In the world of AI slop code, the only good code is maintained code...and many people abandon their creations after a VERY short time.

Thanks to all of the people who put their heads together to make FFXI enjoyable and performant, just 24 hours after an update. You guys are awesome!
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