Can't login to Kubuntu session

I am having a problem login into KDE. When I try to login I the screen goes to the load up screen for ~15 seconds and then kicks me back to the login screen.

I am able to login using Failsafe but, not the Default or KDE session.

 I have read the other related posts regarding this problem and they all point to the computers disk being full. I have checked mine (df -h) and have 12% available so I know drive space is not the issue.

The last time I logged off I left to files open (which I have done in the past) and normally when I start my computer back up it just opens those applications or files. Could that be the problem?

I also had an update today prior to shuting down my computer...

Any assistace would be appreciated.
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check the permissions of the user's home dir to make sure that the user is the owner of their home and has read and write permissions.

also check your system log eg /var/adm/messages file to see if any errors.

It might be an NFS mount error if the user's home dir is mount from a NFS server.
peschelnetAuthor Commented:
I have checked the permissions and the user has read and write permissions.

I checked the message file which is actually here /var/log/message and had no errors.

There is no mount from an NFS Server.

peschelnetAuthor Commented:
I have also tried to troubleshoot the problem doing these steps with no positive results.

1) create a new user and login (same results)

2) tail -20 ~/.xsession-errors (this provided these errors)

kdeinit: Communications error with launcher. Exiting!
kdecore (Kprocess): WARNING: _attachPty() 10

kdecore (KLocale): WARNING: Definition of PluralForm is none of NoPlural/TwoForms/French/OneTwoRest/Russian/Polish/ Slovenian/Lithuanian/Czech/Slovak/Arabic/Balcan/Ma cedonian/Gaeilge/Maltese: Definition of PluralForm - to be set by the translator of kdelibs.po

konsole: WARNING: Unable to use /usr/share/apps/konsole/mc.desktop
konsole: WARNING: Unable to use /usr/share/apps/konsole/sumc.desktop

3) Logging into the recovery session and loging into kde via startx work perfectly.

4) There was an update this morning that effected the language packs for KDE could this be the issue?

hope this helps.

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If you have patched the box, reboot the box to see if it help. it could be the problem from the new patchs.
Does it kicks you to the command line interface when loggin in? Because it may be related to the Xorg configuration, something may be wrong in it.
peschelnetAuthor Commented:
I've rebooted the box MANY times so I know that isn't the issue.

No, It doesn't kick me to a command line when I'm trying to login.

peschelnetAuthor Commented:
I think it might have something to do with the updates that were released today for the language packs. Is there a way to uninstall or roll back the updates that were installed today? From terminal obviously.
peschelnetAuthor Commented:
Thank you all for your help but, here is the solution.

Today KDE sent out updates to the language pack that didn't auto select the previously installed language. So, to fix the problem you have to do this.

sudo qt-language-selector --mode select

Then select your language and then you'll be able to login.

Hope this helps anyone else with this problem.

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