[In progress] couldn't write the file error!

I am getting couldn't write the file error for every type of file in jdownloader, i have reinstalled it yet again the same error, anyone knows how to get over this?

[Jiaz]

please give a logfile
http://support.jdownloader.org/index...&kbarticleid=8

Allow java and javaw in your firewall and virus software. Disable (or un-install) the port 80/html/web scanner in your virus software.