Firefox 8.0 freezes and is very slow. Please continue supporting Firefox 3.6.24 .

I am using Windows Vista , latest updates. I am using Firefox 3.6.24 and I am very satisfied with it. Some months ago, you offered me to download Firefox 4. I had done this. But afterwards, I could no longer see the TV on http://bugu.cntv.cn/ . Other people in China had said the same. I am learning Chinese and therefore do need to have this ChineseTV website. I reinstalled Firefox 3.6.24 and it works very well. Now in November 2011, after you had offered me several times Firefox 8.0, today I had installed Firefox 8.0 twice. But it is defective. Though now, it does play TV on http://bugu.cntv.cn/ . But the vertical scroll bar on the right side and the scroll bars in the middle on the monitor do not move (freezed) except when a website is enlarged on the whole monitor. The other problem is that Firefox 8.0 is slow, it is much slower than Firefox 3.6.24 . Please continue supporting Firefox 3.6.24 . It is better than Firefox 8.0.

The slow / hesitant scrolling problem seems to be an artifact of the database Firefox uses to keep track of where you go, what you do, etc. It uses sqlite databases which get fragmented over time.
There are several fixes:
Some are add-ons and work internally, such as Vacuum Places (search the addons for it).
Some are external. Speedyfox is one I just tried, and found to work quite well. I think it did a better job than Vacuum Places, but requires Firefox to be shut down before it can work properly.
Find Speedyfox using a web search.

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