Tidserv Request 2 is a signature which detects your antivirus. It indicates that your computer is infected with a Tidserv trojan. The trojan also known as Backdoor.
Download TDSSKiller by Kaspersky Antivirus Lab and unzip to your desktop.
Open TDSSKiller folder> Right click to tdsskiller and select rename. Type a new name, press Enter > Double click the TDSSKiller icon to start scanning Windows registry for TDSS trojan. If it is found, the you will see a screen….When TDSSKiller will prompt you to press Y,
type the same and press Enter. Your computer will be rebooted.
Hope this info helps u !