rtlcs.dll is a process from Rational Software. It can be found in the
location of C:\Program Files\Common Files. It is a potential security risk which can
be modified maliciously by virus. rtlcs.dll virus should be disabled and removed if
it was attacked and brought you windows xp/vista/7 errors.
Common rtlcs.dll Error Messages
"Error loading rtlcs.dll""Cannot find \Windows\System32\ rtlcs.dll""The file rtlcs.dll is missing""Could not find C:\Windows\system32\ rtlcs.dll""This application failed to start because rtlcs.dll was not found"
"Your firewall warns you that this process is requesting access to the network""No Disk Error""The active window occasionally loses focus""This process uses 100% CPU time""High CPU usage""Windows Defender encountered an error 0x80508018"
rtlcs.dll error can be caused by any of the below possibilities.
A control panel (.cpl) file is damagedIrregular power supply, overheated CPU, and malfunctioning HDD controllerSpyware infectionTemp folder is not exist or brokenIncorrect or damaged hardware driverThird-party software that is damaged or incorrectly installedDamaged password list rtlcs.dll files that are saved to the desktopUndesired spyware attacksDamaged Windows Registry Files caused by this errorPrivate or Sensitive Information LossConstantly system crashesViruses infectionDamaged or invalid processDisordered Task ManagerSluggish system performanceWindows shutdown problems