Pondus
2
what antivirus did you use before installing avast?
did you remove it before installing avast?
did you run the vendors removal tool to clear any leftover files that may conflict?
tools found here. http://singularlabs.com/uninstallers/security-software/
any other security programs installed?
do you have lots of programs starting? … StartUP lite. http://www.malwarebytes.org/products/startuplite/