Youtube Downloading Problem

[hiwasiji]

Salam Friends... I need your help...
meray office mai youtube block hai.. aksar mai youtube k ye proxy websites use karta hoon... meray system mai IDM registered version b install hai... mera masla ye hai keh jub mai vedio download karta hoon.. tho jub vedio 100% download ho jati hai.. tho wo ik error deti hai... can not copy vedoname.flv to the vedio folder... yani download tho ho jati hai lekin vedio folder mai nahi ati.... koe mujay es maslay ka hal bataey keh youtube vedios proxy website k zarye kesay download karain....

[Firefox]

Yaar Aisa karo ka firefox k Tools Option may jao or waha se Clear Recent History Pe Click karo or pir aik choti se window appear hogi os may options hongay os may "Everything" ka option select karo or ok karo.. pir Firefox Restart karo or wahi video pir se Play karo jab IDM ka Icon show hoga os pe click karo download hojaye gi.... Pir b koi masla ho to batana PM kar k