can you show your code or exact error which you are getting. May be you have syntex error that why you are getting error.

Go through First FN wiki link, you will get all details which you want to know.

check this wiki, you can sign your sis file with publisher ID.
http://wiki.forum.nokia.com/index.php/Publisher_ID_(Symbian_Signed)#Use_the_publisher_ID_to_sign_a_Symbian_Signed_submission

This...

check these resource in .rss file
RESOURCE RSS_SIGNATURE {}
RESOURCE TBUF {buf="";}
RESOURCE EIK_APP_INFO

you may check .rss and .rsg file name

Check below link for KERN-EXEC 3, it may help you
http://wiki.forum.nokia.com/index.php/How_to_avoid_common_errors_and_make_program_efficient.#KERN-EXEC_3

check this link.
http://www.newlc.com/en/forum/function-returning-hbufc

can you post exact error then anyone can help you ?.

you can do on device debugging.

Check this wiki to add and delete calendar entries.

http://wiki.forum.nokia.com/index.php/CS001233_-_Adding_and_deleting_calendar_events_in_WRT

same problem is discussed here.

http://discussion.forum.nokia.com/forum/showthread.php?198371-How-to-solve-Feature-Not-Supported(-5)

Below link may give you some idea.

http://www.newlc.com/en/How-to-draw-an-Icon-on-the.html

Same problem is discussed in this thread.

http://discussion.forum.nokia.com/forum/showthread.php?214318-Panic-USER-129
...

I think every one should agree for giving Big Thanks to Ron.

Thank you Ron.

Congratulation 2 Skumar_rao, dennis4 and chintandave_er

Congratulation 2 flycarl

Congratulations to Somnath.

check this thread, same problem is discussed here.

http://discussion.forum.nokia.com/forum/showthread.php?178777-KErrOverflow-or-System-Error-9

you can search in SDK or in this forum.

This link gives you some info.

http://wiki.forum.nokia.com/index.php/KIS000764_-_Incorrect_CPU_information_reported_by_HAL

This thread is 3 years old so you can start new thread. you can search more in this forum.
you must give exact error message which you are getting.

Anyway check this link....

Congratulations to Danhicksbyron:)

Congratulations Pasi.manninen:)

this link help you to create sis file.
http://developer.symbian.org/wiki/index.php/Building_a_SIS_File_in_Carbide.c%2B%2B

Congratulations Vasant:)

Congratulations to Sumit . Good work.

use this forum nokia wiki to get application icon.
http://wiki.forum.nokia.com/index.php/Get_application_icon