Temporary Profile on Windows 7

I came across a Windows 7 machine that kept logging on with a temporary profile, after i removed the profile folder in C:\Users, after a bit of digging it was due to a registry key being wrong, this key is located in.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList in here you will see an entry called S-1-5-21 with the […]

Change the MTU under Vista or Windows 7

First of all you are going to need to find the optimum mtu for your situation to do so follow these instructions.

ping www.google.com -f -l 1500 (lower case F and L not a 1)

you will receive something similar to this.

Pinging www.l.google.com [66.102.9.105] with 1500 bytes of data: Packet needs to be fragmented […]

CD/DVD unable to load devices drivers after removing Roxio

I didn’t think this problem happened anymore i first saw it on Windows 2000 but i came across it again on a Windows 7 machine, to get your DVD/CD working you need to delete the upper and lower filters in the following registry key.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}