When I tried to start up my Dell laptop, I am receiving an error message caused by installation of the new hardware/software. When troubleshooting windows in Safe mode, it keeps saying that the System32DRIVERSisapnp.sys is corrupted/ missing. Also, I do not have the installation CD to try reinstalling Windows. How can I resolve the issue? Please help. 

Is it obligatory that only students can purchase and use the Home and Student version of Office 2010?

How do I add an email address in cache to my Entourage address book? I am having Microsoft Office 2008, Version 12.3.1 installed on my iMac.

Is it possible to install Office Home and Business 2010 and Office Professional 2010 on more than one computer?

Is Office Home and Business 2011 for Mac compatible with my MacBook Airwith Lion(OSX 10.7.1)?

Is it possible to install the previous version of Microsoft Office along with 2007 Office Suite or Office 2003 for using the Office Shortcut bar?

Can anyone please confirm whether a single licensed copy of Office for Home and Business is enough on my Mac and MacBook Pro notebook?

Is the Internal CA Certificate enough for enabling Web Conferencing and A/V Conferencing or does it requires only External CA Certificate or any DNS SRV records to publish for Web Conferencing and A/V Conferencing?

I want to newly install OCSR2 Director and Edge server. But before that, I need to confirm whether the Live Communications Server pool is compatible with it. Also, I want to know whether I have to uninstall LCS Director and Access Proxy Server before installing OCSR2 Director and Edge server or can this be done side by side?

I have issues using DHCP to obtain the IP address. However, I have no problem connecting using a fixed IP address. Windows uses the address 169.X… and subnet mask 255.255.0.0… as the defaults. This happened after I installed Windows7 64-bit ultimate on my computer. The computer is equipped with all the latest patches and also has all the legitimate licenses. Even though, I doubt if this update is the reason I am experiencing this problem. Please help me out.