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10.3: Trash the Help cache files after upgrade installation Install
I was looking up various topics in the new Help Viewer after installing Panther, and noticed to my surprise that there seemed to be a lot of out-of-date information. For example, there were help pages referring to Key Caps, and even a link to launch it (which of course didn't work). Likewise, the pages discussing font installation made no reference to Font Book.

After a few of these, it occurred to me to check for cached help pages. Sure enough, the folder ~/Library -> Caches -> com.apple.helpui -> Mac Help contained a large number of files that predated my Panther installation. I quit Help Viewer, trashed the folder, and restarted Help Viewer. Now there is documentation for Font Book, and searching for "Key Caps" leads to pages describing the new Keyboard Viewer.

So new Panther users who are trying to use the online help to make the adjustment should remember to throw away the old Help cache folder, or else the Help Viewer is more likely to be confusing than helpful.

[robg adds: This will only be a problem if you did an upgrade install (or perhaps an archive and install). Clean installations will (fairly obviously, I hope) have no cache issues.]
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10.3: Trash the Help cache files after upgrade installation | 9 comments | Create New Account
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10.3: Trash the Help cache files after upgrade installation
Authored by: sjonke on Oct 31, '03 11:36:33AM

This does indeed affect archive and install installations too. One wonders why Apple doesn't automatically trash old caches after an install. It's a pain to have to manually do this for every user on the machine....

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10.3: Trash the Help cache files after upgrade installation
Authored by: ScienceMan on Oct 31, '03 12:51:16PM

Does Cocktail's cache cleaning take care of these files also?



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10.3: Trash the Help cache files after upgrade installation
Authored by: jonahlee on Oct 31, '03 03:19:25PM

I upgraded from 10.2, and 10.1, and 10. and the public beta, and mine seems fine actually. Strange.

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- Jonah Lee



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10.3: Trash the Help cache files after upgrade installation
Authored by: sfn on Oct 31, '03 07:44:09PM

I had one or two older files but none where cache files and I too did an upgrade from 10.2.

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-sfn



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10.3: Trash the Help cache files after upgrade installation
Authored by: fds on Oct 31, '03 08:16:34PM

Thank you! This hint solved the problem for me as well.

I did an Archive and Install from 10.2 to 10.3, and ever since then some help pages didn't load at all or showed wrong information. Most notably the first few of the "What's new in Panther?" links opened pages about new features in Jaguar...

I'd have never thought help pages are being cached inside your home directory. All the while I suspected a corrupted help installation and was even contemplating trying to reinstall Panther. I'm glad I did not.



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10.3: Trash the Help cache files after upgrade installation
Authored by: Anonymous on Dec 08, '03 12:55:27PM

This hint may also apply to the developer tools. An upgrade install of Xcode may result in much of the documentation appearing blank when accessed via Xcode Help.

I ended up doing a clean reinstall of the devtools. In retrospect, it was probably just a cache problem.

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10.3: Trash the Help cache files after upgrade installation
Authored by: MUGlover on Dec 08, '03 03:46:22PM

Thanks for identifying this problem. I upgraded from 10.2.8 to 10.3 on Dec. 4 and haven't been able to Start Help from any application. It opens and says Help Viewer has unexpectedly quit. Same result now that I have 10.3.1 and the Dec. 5 Security Update. (I repaired permissions before installing each.)

I tried deleting the Help cache as described above, and restarting, but the problem continues. Can you be clear about what I should delete, as the folder you specified had more folders within it?



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10.3: Trash the Help cache files after upgrade installation
Authored by: dcoyle on Aug 08, '04 12:39:15PM

This solved a problem on a factory install of Panther on a new dual G5. Help worked fine at first, but started chewing up massive amounts of cpu before giving a message that it couldn't find any thing in <my home directory>. I tried trashing prefs, which didn't work, then decided I better check MOSH. Trashing the Help caches fixed it right up.

This problem apparently isn't isolated to upgrade installs. Since trashing cache files is probably completely harmless, I'd recommend trying this first. It worked for me.

Dan



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What is MOSH?
Authored by: hoko on Sep 19, '04 09:17:08AM

The above solution worked for me on 10.2.8, that is, removing the Help Cache, when the Help Viewer refused to retrieve a question. Being new to OSX (and a computer idiot) it was great to find a solution to this first real problem here so big thanks to this site and the people who are generous enough to advise beginners. After that long ramble could you please tell me what MOSH is? Thanks.



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