我正在使用 Windows 7 Ultimate。请帮助我解决此问题，以便我能够上传数字签名 pfx 文件。当我上传 DSC 时，显示以下信息：
Java Plug-in 10.7.2.10
Using JRE version 1.7.0_07-b10 Java HotSpot(TM) Client VM
User home directory = C:\Users\cavivek
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c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to <n>
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