topic Application software installation problem in XPERIA archive https://community.sony.ee/t5/xperia-archive/application-software-installation-problem/m-p/2769005#M8351 <HTML><HEAD></HEAD><BODY><P>Dear friends</P><P>i am using "sony ericsson vivaz"</P><P>first time i had install some "sys" files and "jar" files, but now i can't install sys files,now installing jar files and java files only,</P><P>getting tow type error messages, if the mobile date is correct&nbsp; "certificate expired" when i am changing time to back certificate may not yet be valid,is expired or the phone date set may be incorrect"&nbsp; </P><P>i am already done formating phone,memory card and updating.</P><P>How can i solve this problem?</P></BODY></HTML> Sat, 13 Nov 2010 20:20:16 GMT 2010-11-13T20:20:16Z Application software installation problem https://community.sony.ee/t5/xperia-archive/application-software-installation-problem/m-p/2769005#M8351 <HTML><HEAD></HEAD><BODY><P>Dear friends</P><P>i am using "sony ericsson vivaz"</P><P>first time i had install some "sys" files and "jar" files, but now i can't install sys files,now installing jar files and java files only,</P><P>getting tow type error messages, if the mobile date is correct&nbsp; "certificate expired" when i am changing time to back certificate may not yet be valid,is expired or the phone date set may be incorrect"&nbsp; </P><P>i am already done formating phone,memory card and updating.</P><P>How can i solve this problem?</P></BODY></HTML> Sat, 13 Nov 2010 20:20:16 GMT https://community.sony.ee/t5/xperia-archive/application-software-installation-problem/m-p/2769005#M8351 2010-11-13T20:20:16Z Re: Application software installation problem https://community.sony.ee/t5/xperia-archive/application-software-installation-problem/m-p/2769006#M8352 <HTML><HEAD></HEAD><BODY><P>well that's the annoying thing about Symbian apps, u need a valid certificate to run them. Pls read the thread below</P><P></P><P><A class="jive-link-thread-small" href="http://talk.sonyericsson.com/thread/4651" rel="nofollow noopener noreferrer">http://talk.sonyericsson.com/thread/4651</A></P></BODY></HTML> Tue, 16 Nov 2010 18:01:58 GMT https://community.sony.ee/t5/xperia-archive/application-software-installation-problem/m-p/2769006#M8352 2010-11-16T18:01:58Z