I have found im having the same problem, but I think Ive found a fix, you can tinker with it more. the program does not like the reset to 0 loop, also the name VAR make it 1 more than what you want so make it a 26, also put the loop first before doing serin/out and maybe add a pause 100 inside the loop. Im going to post my code for 8 bytes, its working great so far, i removed the loop and set each one seperately, it helped get rid of bad serial character loss/corruption dont know why though.

Code:
include "LCD_D.BAS"
Define OSC 20	'USE ECIO, NOT ECPIO
define HSER_BAUD 2400
DEFINE HSER_BITS 8
DEFINE HSER_CLROERR 1
RCSTA = $90
TXSTA = $20		'DO NOT USE $24
TRISC = %10000000
TRISD = 0

Name Var Byte[8]

Gain:
Name[0] = 0
Name[1] = 0
Name[2] = 0
Name[3] = 0
Name[4] = 0
Name[5] = 0
Name[6] = 0
Name[7] = 0
Name[8] = 0
HSERIN 5000,test,[STR Name\8] : Pause 250
HSEROUT [STR Name, 13, 10]
LCDOUT $FE, 2
LCDOUT $FE, $80
LCDOUT Name[0],Name[1],Name[2],Name[3],Name[4],Name[5],Name[6],Name[7]
pause 250
Goto Gain

test:
pause 100
goto gain
Hope this helps or gives ideas!