This looks to be fixed:
------------
mpt@zephyr:~/hacking/software-center$ time sudo strace update-software-center 2>&1 | grep -c '^stat64.*app-install-data.mo'
[sudo] password for mpt:
[sudo] password for mpt:
0
real 1m47.475s
user 0m33.500s
sys 0m31.550s
------------
This looks to be fixed: ~/hacking/ software- center$ time sudo strace update- software- center 2>&1 | grep -c '^stat64. *app-install- data.mo'
------------
mpt@zephyr:
[sudo] password for mpt:
[sudo] password for mpt:
0
real 1m47.475s
user 0m33.500s
sys 0m31.550s
------------
Please reopen if it's still happening for you.