如果浏览器缓存、cookies或临时文件太多，请清除浏览器缓存。步骤如下：
所需材料：任何IE内核浏览器。
1、以2345浏览器为例。首先，单击工具栏上的“菜单”，然后单击下拉菜单中的“工具”。
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2、在弹出的第三级菜单内点击“Internet选项”。
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3、打开“Internet”选项后，单击“浏览历史记录”下的“删除”。
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4、选中下面框中的三个选项，单击“删除”清除浏览器的多余信息，然后关闭浏览器并重新打开，打开QQ邮箱。
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