Problems white the computer

hello i buy computer before 7 month and today the computer do me a lot probles and i dont know if this hardware or software have some way to check this my hdd is work in the last time very slow and have times is regilar and more slow i need open rar file 4 gb somthing like 10 min and i open files like this on 3-4 min this is not once time i dont know and now the mouse is unconnect and connect i have optical mouse and the mouse is off on off on and sometimes is do crazy open a lot windows programs of folders and more … . i i can check if this is windows virus i check and i dont have i dont knoe ehat to do
help please …
thanks
Answer #1
Please post the specifications of your puter.
eg. laptop/desktop
What Operating system – Windows / Mac ?
CPU
amount of RAM.
What antivirus do you have installed, how often do you do a full scan?
To me it just sounds like your system need s a good spring clean, uninstall any programs you don’t use.
Run Disk Clean-up Utility if windows – Start > Run cleanmgr.exe
Defragment your hardrive. Windows defrag is only a Lite version, get Diskeeper from this boards apps section, it runs all the time in the background.
Download and install/run Malwarebytes incase you have any malware.
I do not