Only partial back up

Is it a problem if Norton Backup failed to back up these files:

Eula.1028.txt

Eula.1031.txt

Eula.1033.txt

Eula.1036.txt

Eula.1040.txt

Eula.1041.txt

Eula.1042.txt

Eula.2052.txt

Eula.3082.txt

Log.txt

Vcredist.bmp

 

Thanks.