Choosing Application To Launch based on extension.

While trying to track down some finder issues I had to reset my Launch Services Database, now I'm having trouble getting things back the way I want them.
Specifically .rar and .cbr files are fighting each other. Technically, the only difference between them is the extension. A .cbr file is a renamed .rar file. Previously, though, .cbr's would open in a file reader when double clicked, and the rar files would open with MacPar to unrar them. Now, everytime I change the "Open With" settings for one of them, despite the message that it's only going to effect the files with the certain extension, it changes the program for both types.
Can anyone help me get this back to the way it was? Maybe just some raw editing of launch services..if that can even be done?
(a bad thought just occurred to me, I just did a security update as well today...Apple wouldn't have changed things with it so that the above no longer works as their way of dealing with that trojan script hidden as jpeg thing from a while ago, would they have?)
(maybe not on that...zip vs cbz (which is the same, as rar is to cbr) still works like it's supposed to.)

The file extension is only one of several ways that the OS uses to determine what a file is. When using the "Open With" to change what opens a specific file, the default application is set for that file, but when changing all documents, it doesn't use a file's extension, but rather the content type (for example "public.archive"). If the different extensions share a common content type, then whatever application opens that type gets used (I don't know how the OS chooses if there are multiple applications). Once the content type is set to something specific, I think it is pretty much stuck to that application. You might try using the "Show Inspector" (option - Get Info) to change the default application for a group of files.

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Dialogue "Choose Application" After Launching App.

Hi
For a long long time I've had a problem where with some applications upon launching them I get a dialogue which says "Choose Application" in the title bar and then below that it says "Where is [Name of App]?". This dialogue box has the window for navigating the Finder (like an Open dialogue) and there is a button on bottom right with the word "Choose" on it. I have had a solution which is to find the application and then "choose" and that solves the problem it seems for that particular application.
However there is one application which presents this problem and I cannot solve it by that method. The application is 1Password, in particular the plugin on the web browser which, when invoked, will bring up this dialogue. I have taken this up with 1Password and they have recommended I reinstall my browser plugin, which I had already done. However I don't think the problem is with 1Password, it is something odd about my OS. Amazingly the same problem is on my MacBook Pro and my Mac Pro.
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I have Mavericks OS 10.9.5 on both computers.
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Susan,
We need to know exactly how much RAM you have and exactly what you have your monitor resolution set to.
If you have less than 2GB of RAM, forget it; I know the ReadMe file says you need a minimum of 512 MB, but that's unrealistic. It's enough for Photoshop CS3 to launch, but not to work comfortably and consistently. The monitor resolution should be at least 1024x768.
20 GB of available disk space in practice is marginal for the Mac OS X swap files (especially in case of one of the Leopards) to share with Photoshop's Scratch Disk. I'm not surprised you're crashing. Just for reference, I have a separate, dedicated internal 160 GB hard drive just for Photoshop's Scratch Disk alone.
Also, any time a hard drive—any hard drive—approaches 80% used space, you're in deep trouble already.
With a bigger boot drive or making much more space available in your current one, an external hard drive as Photoshop scratch disk, maximizing your RAM to as much as the machine will take (if it takes at least 2GB) and downgrading to Tiger 10.4.11, your G4 PowerBook should run CS3 just fine.
If CS4 ran on Panther, I would even downgrade to it from Tiger; I have no use for Spotblight and the Dashboard anyway and have permanently disabled both. In the case of Leopard, If I were ever to run it, I would disable the massively intrusive Time Machine and Spaces as well.
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HTH
H
PS - well done in the footy

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Error Message
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Hello. I am first time user of the support communities here. I have searched the forums prior to posting, but haven't been able to find an answer.
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That little bit of info would be a great addition to that install AOM instructions.
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Hi all,
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sorry for my english..

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Hi Niel,
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Choosing Application To Launch based on extension.

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