Is it really safe?

Norton insight says

 

Filename: pepflashplayer.dll
************( My privacy ) TEMP\3692_31055\pepflashplayer.dll

____________________________

Details
Stability Unknown, Unknown Community Usage, Unknown Age, Unproven

Origin
Downloaded from Unknown

Activity
Actions performed: Suspicious actions performed: None

____________________________


Developers Not Available
Version Not Available
Identified Not Available
Last Used Not Available
Startup Item No

____________________________


Unknown
This program crash history is not known.

Unknown
It is unknown how many users in the Norton Community have used this file.

Unknown
This file release is currently not known.

Unproven
There is not enough information about this file to recommend it.


____________________________

 

____________________________


File Thumbprint - SHA:
a319a3d0677b262dbe73401bac8ada0fba19ef22c80d662e48c1ff38080a263e
File Thumbprint - MD5:
Not available

 

Please tell me how it is "good".