Windows has some serious flaw that make it very easy for viruses to spread through your (our) thumbdrives, flashdisks, or any other removable devices. The trick behind this is the file called autorun.inf. This file contains the information about the autorun action that windows will perform when double-clicking the drive on My computer. If the content of the file instructs to open a virus, this action will be performed each time you click on the drive in My Computer. Luckily, its easy to win this war :P. Here's how to secure your removable disk from this annoying file, by creating a fake, stealth autorun.inf

• Browse to your removable drive
• Create a new folder
• Rename the folder as autorun.inf
  
• Now, open the command prompt [how?]
• In command prompt, change to your drives directory. For example, if your flash drive is labelled I: in My Computer, then type in the command prompt I: and press enter
• Then type attrib +s +r +h autorun.inf

The last command is to protect and hide our fake autorun.inf and make sure that the file is irreplaceable by the malicious autorun.inf file. Now, next time you plug-in your flash drives on an infected computer, the malicious autorun.inf cannot be copied into your flash drives, thus saving your drives from being a vvirus carrier afterward. The virus itself, however, might be copied into the drive, but let your anti-virus take care of that.. :)

Often you wanted to install the flash plugin for firefox, but end up with receiving "Administrator privilege needed", or install failed or sumthg similar. Here's hoe you can install the plugin manually with few steps! :)

• Download the Flash Plugin XPI archive to your computer.
• unzip the archive (you can use winrar or the free 7zip)
• copy the files flashplayer.xpt and NPSWF32.dll to your \Mozilla Firefox\plugins folder
• restart Firefox and enjoy!
• Alternatively, you can download the flash player from Adobe Flash Player website , and use the powerful free Universal Extractor to extraxt the installer and procedd with the third step
  

I've tested this with firefox 3 and it works like charm :)

I'm glad to hear any comments or suggestions :)