Hi,
I accidentally accepted not to download *.exe file. U know for the first time when u try to download an exe file, prog tells u that if u accept to download an exe file it can be executable and contains virus. Download file? And I said no and checked dont show this message anymore.. I want to rollback this.!! What can I do??

Using Mac OS X at powermac G5.
Please help.

Thnx..