jucheck.exe is one of the process for checking/performing updates in Java Update. It runs automatically and transparently to users. To shutdown the process, simply uncheck the "Check for Updates Automatically" checkbox in the Update tab of Java Plug-in Control Panel. That should stop the error..
To correctly update Java, follow the procedures below:
Click on the link to Sun's Java below, then scroll down to the "Java Platform, Standard Edition" section in the upper part of the page, next to "JDK 6 Update 20 (JDK or JRE)" and click on the "Download JRE" download button. At the next page, select the Windows platform, make sure the "Language" is correct, accept the license agreement, then click on the "Continue" button. Next, download the full ''Windows OFFLINE Installation'' file to your desktop,(about 15 MB), scan it with your antivirus (just to be sure it's clean). Once that's done, if you've already got a Sun Java version on the computer, open the Control Panel, double click on the ''Add/Remove Programs'' section, then uninstall ALL previous versions of the J2SE Java listed there. Once that's done, then install Java JRE 6u20 from the downloaded installer.
Hope this helps.
Hi.. I cannot stop this error box from coming up on my Vista operating system.. When I try and update my computer with the latest version.. it does not work....Help!