hi, welcome to geektogo
three options here:
untidy system, malware or hardware of which an untidy system is the easiest and quickest one to deal with
have a look at the below steps, go through the lot
if the problem still remains, go the the malware removal forum here, if the problem remains after that you will know that it is hardware
Time to use your "runbox" to clean your computer,
(all these steps are done with the run box then)
deleting the prefetch files
-----------------------------
runbox command
- press keyboard buttons: winkey + r
- paste in the slot: prefetch
- press: enter
(the prefetch folder opens)
- press: ctrl + a
(select all is the same)
- press: shift + del
(deletes without prompt)
disc clean up
---------------
runbox command
- press keyboard buttons:winkey + r
- paste: cleanmgr.exe
- choose drive(normally C: )
- press: enter
(this process can take a long time)
checkdisk
------------
runbox command
- press the keyboard buttons: winkey + r
- paste in the slot: chkdsk /f /r
- press: enter
( black window appears)
- press: Y button
- press: enter
- reboot the comp
(this process is the longest, worse the screen may be
lost before hours later the computer arrives at the welcome screen)
disc defragmenter
----------------------
runbox command
- press the keyboard buttons: winkey + r
- paste in the slot: dfrg.msc
- press enter
(this process can take a long time)
deleting internet cookies, files and history
-------------------------------------------------
- press the keyboard buttons: winkey + r
- paste in the slot: inetcpl.cpl
- press: enter
- click: delete cookies
- click: delete file
- click: clear history
disable unwanted startups
------------------------------
runbox command
- press: winkey + r
- paste: msconfig
- press: enter
- click tab: start ups
- keep: the AV and firewall entriies enabled,
- disable: 100% unused or unneeded entries
- Unsure about the start up:
http://www.bleepingc...r.com/startups/ (IMPORTANT: enable all startups before running the Hijackthis program)