Hi. I just downloaded the new 4.2.6 and have had nothing but problems. It's EXTREMELY slow and then after about 5 minutes just stops responding but stays connected. I can't preview songs, I keep getting an error message saying the file is corrupt but it works fine on my Windows Media Player. I have downloaded the latest Java and deleted the .limewire file. I have tried restarting my computer. I have a broadband connection and am using Windows XP Home (SP2). Thanks for any help....Jessica

How much internal memory do you have?
Are you running in UltraPeer mode?

Slow speed may come from the fact that LimeWire now uses a bit more memory (but this can be greatly enhanced by using Java 1.5 instead of Java 1.4, because the 1.5 version has a much more efficient memory manager, notably a faster garbage collector to free up unreferenced/unused memory).

To help us, open the Options panel and click on the button to show an example of a "Bug Report". Then copy/paste the content of the dialog that appears.

Another reason may be that your PC installation (if it is a PC running Windows XP) has a problem within its UPnP installation. Consider disabling UPnP (and configure your router or firewall yourself), or check the UPnP installation: a problem can come cuased by viral worms that has attacked your PC, and steals you some bandwidth. So check for virus, and adwares...

And check for your general TCP/IP settings: notably slowness can come if you have a misconfigured or badly working DHCP server (in a defective router), causing your local IP address on your LAN to change too often.

If you don't use DHCP (determine the IP address automatically in Windows), check also that you have not assigned manually conflicting IP addresses on your LAN. Normally Windows should display an alert to you, unless you have disabled the Systems Messages service: in that case such alerts will be only visible in the EventLog viewer.

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I have rum Ad-Aware and cleaned my system. The old Limewire worked just fine and so did 4.2.6 the night I downloaded it (which was about a week ago). When I went to run it today is when I noticed the problems. My internet connection is still quick. I'm pretty good with computer but by NO means fluent in the terms. So can you (or anyone) tell me what else it could be? As I said, I've installed the latest Java, deleted the .limewire file and ran Ad-Aware and Spybot. Thanks so much...Jessica

Just to clarify:
Your copy of LW is unresponsive, i.e., you click on something and it doesn't immediately respond? Or, does the graphics user-interface (GUI) respond fine, but the program is slow to locate a connection?

Do you have the Connections window enabled? That's a good way to see what the program is doing on the network.

Did you uninstall the previous version(s) of Java before installing the new? If not, there might be multiple versions installed.

Is there a way to check which version of Java is in-use by Limewire? It should be easy enough to add in the Statistics screen, shouldn't it?

Identifying the version of Java effectively in use by LimeWire is possible in the "Options->Error Reports->View Example Report" screen.

But if you run Limewire through the "LimeWire.exe" program installed with the downloaded installation, it will simply use the default version of Java indicated by the Java icon in the Control Panel: there's a pane that lists the correctly installed Java JRE/JDK versions, and indicates which one will be the default when starting a Java program.

This setting is the one used in the standard JNI interface used by Limewire.exe

(JNI is a standard component/interface of Java, which binds the Java Virtual Machine to the native OS, and allows a native program to instanciate a Java Virtual Machine; Limewire.exe does not indicate where Java is located, it simply uses the JNI services that will locate themselves the JRE to use according to the standard Java installation and behavior, i.e. using the settings you have configured in the Java Control Panel on Windows).

A system can have multiple JRE installed. If you have several versions of Limewire, with one starting with a local invokation of java.exe in its installation directory, and the other started by "Limewire.exe" using the JNI interface, the two will not necessarily use the same settings, because "java.exe" first tries to locate a JRE in its own directory, before seeking a JRE through the Java Control Panel settings. This means that two independant versions of Limewire could run.

You can avoid this problem by locating where a "jre" directory is installed on your system. You just need to keep one JRE on your system. (the JRE installed in older "international" versions of Limewire are now old, as they were in version 1.3.1, instead of the recommanded version 1.4.x, or newer beta versions 1.5.x which works like a charm and adds further performance enhancements; now Limewire will be shipped without bundling the Java installer; but it will be able to download and install separately a JRE before proceeding to the installation of the Limewire application itself and its components: this way, you don't need to bother about what to do with multiple JREs, as all can be centralized and managed in the Java Control Panel).

So open your Java Control Panel, and locate the JREs, keep only one (the latest), and make it the default. Apply the changes and exit. Now remove all extra JREs from your disk (yes you can delete the "jre" sub-directory that may persists in the installation directory of an older version of Limewire, because even such old Limewire version will be able to use the new Java version configured in the standard Java Control Panel).