12.04 very slow in launching applications

Question

I upgraded to 12.04 and now applications are very slow to launch. For example, I open up the update manager and after about 10 seconds the window appears with a solid white background and then I wait for about 50 seconds and nothing happens. Then I open a Terminal and it appears very fast and the widgets in the update manager also appear.

Another example I open a terminal and I wait about 20 seconds and the Terminal window won't appear. So then I open another Terminal and the two windows appear but it takes about 10 seconds for the prompt to appear.

I was previously running 10.10 on /dev/sda2 with my /home in /dev/sda1. Then I installed 12.04 in /dev/sda3 and after some testing mounted /dev/sda1 to /home.

I've checked my swap (with 'free') and it exists.

Any tips would be appreciated.

Thanks!

Perhaps both distros having the same home folder is the problem as both will use a common .bashrc file for the settings. — harisibrahimkv, May 04 '12 at 01:11
this is a useful post. it may help you. http://askubuntu.com/questions/130499/finally-the-solution-for-slow-wireless-wifi-on-both-ubuntu-11-10-12-04 — Ibrahim, May 04 '12 at 22:46
@harisibrahimkv I was thinking it was my .bashrc too so I switched shells to zsh. I think that may of fixed the problem....need more testing. Thanks harisibrahimkv. — Slothman, May 09 '12 at 13:13
Question is 5+ years old. OP hasn't signed on in 2+ years. Question is with EOL version. Question has no answers. OP never got back via comments if switch to zsh was root cause or not. VTC as not reproducible — WinEunuuchs2Unix, Jul 22 '17 at 19:01

12.04 very slow in launching applications

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