I would suggest you to diagnose the real culprit behind this issue and then follow the corresponding solution. Trying many things without knowing the real cause behind the issue is absolutely wastage of time and resources. Thus always diagnose the issue and then get it fix either manually or with the help of a software program such as a computer cleaner program.

Broadly we may segregate it in two ways.

1. You may troubleshoot the issue manually by performing some steps or

2. You can also use some computer cleaner program to fix the issue directly without any human intervention.

Both of the ways are correct however the later feels easier and safer as there are very less chances that you will change any incorrect entry in your PC.

I would also like to mention few important cause and steps that may help to reduce slow PC issue.

Remove any infection – Different kinds of infections in your PC make it worse always. Infections are of numerous kinds always. Mainly are virus, adware, Trojan, worm and spyware. They always create many issues including slow PC

problem at measure part. An official way to remove virus from a PC is use any good antivirus program. Use any good anti spyware or computer cleaner program to clean out your computer.

If too many programs are installed in your PC- Too many programs are installed in your PC that are not using now can also cause slow PC problem always. Remove them all if you are not using them.

Registry is not well- registry is very integrated part of any widows operating system. It a registry is not intact and integrated it may also cause slow computer issue at various level. There are many ways to fix a registry. Correcting manually is very tedious and risky task; in this case you may use any good registry cleaner program. However be aware of the program you are using sometime instead of correcting it any such program may harm you PC also.

Start-up overload- Startup of any windows system usually filled with many programs and they all get loaded in memory while windows start. You may check your startup by simply typing msconfig in strum windows and open it. Now select startup tab and you will see numbers of programs are listed there. These all programs are not necessary for windows normal startup but they all get loaded when it starts. You may uncheck partial or all the programs listed over here. Either you can uncheck one by one or just disable all. Please note do not uncheck your wireless connection entry if you are using it.