TechCIDLC

You should have bought two GTX 980s instead and SLI them.

You should have bought two GTX 980s instead and SLI them.

A budget hyper-threading processor that can overclock sounds like a good idea, doesn't it?

Best way is to put some soldering flux (non acid) and run a soldering iron over them. The heated flux should clean the corrosion. After that, clean it with isoproyl alcohol

Next time, please learn how to build them by yourself.

You should have bought two GTX 980s instead and SLI them.

You should have bought two GTX 980s instead and SLI them.

You should have bought two GTX 980s instead and SLI them.

AMD won't do the job. Xeon/i7 are the best for the job (rendering). Start with Sony Vegas and make compilations in youtube as begining? There are so much ways to go in video editing. Look and Adobe software. It's your choice. Just go for GTX. Quadro are more specific and in general video editing they won't get over GTX .

http://pcpartpicker.com/p/RwKMD3
this goes slightly over 2k
but it will suit your needs

Well.. Some people try downloading CCleaner and deleting all of the temporary files that the programs make themselves to function, and no longer need them. 
 
Download CCleaner here: https://www.piriform.com/CCLEANER

According to AV-TEST.org, the antivirus program that has the most protection, performance and usability for Windows XP is: Kaspersky Internet Security 2014.