[Q] I have questions

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First, sorry for my bad english. Hope you understand
I installed CM 7.2 and it runs smoothly but I encountered some annoying problems.
When the first time i install GO Launhcher EX it's ok with some beautiful wallpapers in GO Wallpaper setting but now it was gone, just leave a single one. And the label of GO menu setting disappeared too.
Same with Opera Mobile, you all know that it has Speed ​​Dial Page with some Facebook, Opera ... link by default. But now it clear although I did not touch it.
I did everything possible, clear app cache, wipe data and cache, even format everything in the menu CWM - mount and storage and install a fresh ROM.
But everything remains the same.
What is the problem ? Where a place not be cleared ?

Go back to CWM, mount and storage, wipe SYSTEM/DATA/CACHE.
Go back to Advanced, wipe Dalvik.
Flash your 7.2 CM ROM.

that should start you with fresh clean ROM.

Edit: don't forget to flash Gapps after you flash CM 7.2

Thanks for reply, im not a newbie i known what to do but it still remains the same. I dont known why !