Whenever i try to open it it gives me this message:

LimeWire version 4.16.6
Java version 1.6.0-oem from Sun Microsystems Inc.
Windows Vista v. 6.0 on x86
Free/total memory: 31303472/33357824
com.limegroup.gnutella.gui.GUILoader$StartupFailed Exception: file [LimeWire.jar] has hash of [F73A5406A60A48F69E99F10AFDC368F8] instead of expected [A00EAB0AE1132B710BC84BE0CFDE56AF]
at com.limegroup.gnutella.gui.GUILoader.verifyHashes( GUILoader.java:318)
at com.limegroup.gnutella.gui.GUILoader.sanityCheck(G UILoader.java:284)
at com.limegroup.gnutella.gui.GUILoader.load(GUILoade r.java:57)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.limegroup.gnutella.gui.Main.main(Main.java:44)
STARTUP ERROR!

and when i tried to reinstall limewire it said that it was corrupted and when i tried to uninstall limewire it wasnt in my programs list. i dont know what to do

Might be a Java Issue. Try Updating.
Remove All Java versions installed (via Add/Remove Programs) before you install the latest Version. (Download the JRE Offline Installer)
Java SE Downloads Fifth one down.

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