This is new. I never seen it before, but it happens to every attachment. The only information I have is from the POPUPLOG.OS2
04-08-2016 10:29:40 SYS3171 PID 008d TID 000e Slot 009b
E:\PROGRAMS\THUNDERBIRD\THUNDERBIRD.EXE
c0010002
1ffca4f4
P1=00000001 P2=XXXXXXXX P3=XXXXXXXX P4=XXXXXXXX
EAX=00000000 EBX=03319b38 ECX=03318204 EDX=0008207b
ESI=03318474 EDI=03318338
DS=0053 DSACC=d0f3 DSLIM=5fffffff
ES=0053 ESACC=d0f3 ESLIM=5fffffff
FS=150b FSACC=00f3 FSLIM=00000030
GS=0000 GSACC=**** GSLIM=********
CS:EIP=005b:1ffc9d21 CSACC=d0df CSLIM=5fffffff
SS:ESP=0053:03317f84 SSACC=d0f3 SSLIM=5fffffff
EBP=03318088 FLG=00010206
DOSCALL1.DLL 0002:0000a4f4
It does not matter what kind of attachment it is, nor the size.
Can anyone help?