• PC works very slowly:
  • A very low speed of internet;
  • A very low speed of booting Windows;
  • A very low speed of running programs;
  • A very low speed of opening files;
  • The computer restarts itself;
• Free hard drive space decreases for no apparent reason.

• Remove causes (viruses) - download, install antivirus software and scan PC - begin
• Remove a virus aftermath - clean up Windows using Windows 8 Windows 7 Windows XP tools
  and cleaning programs (read below).

Windows cleanup software destroy internet temp files, windows temp files, an old data and clean windows registries.

DIMEXPRO offers the best free ways:

• New CCleaner (Windows XP, 7, 8)
  CCleaner is a freeware system optimization, privacy and cleaning tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. Additionally it contains a fully featured registry cleaner.
  How to work with CCleaner.
• New EasyCleaner (Windows XP only)
  EasyCleaner is a small program that searches through Windows registry for entries that are pointing nowhere. EasyCleaner also lets you delete all kinds of unnecessary files like temps and backups. You can search for duplicate files and you can view some intresting info about your disk space usage. You are also able to manage startup programs, invalid shortcuts, and add/remove software list.
  How to work with Easy Cleaner.

How to work with CCleaner

Download CCleaner, install and run:

System Cleanup

In the opened window check follow check boxes in Tabs Windows (system programs) and Applications (other programs - Firefox, Opera), then click "Analyze"

Scanning is completed - click "Run Cleaner",

click "OK"

System cleanup is completed

Registry

Click "Registry",

in the opened window, click "Scan for Issues" - begins scanning entries in the registers

click "Fix Selected issues...", then click "No"

click "Fix All Selected Issues"

click "OK"

click "Close"

clearing registers completed.

Remove unused program

Click "Tools",

in the opened window select unused program,

then "Run Uninstaller" and remove program by instruction. Repeat for all unused program.

Remove rarely used program from Windows startup

Click "Startup",

in the opened window select rarely used program,

then "Disable". Repeat for all rarely used program.

How to work with EasyCleaner

Download EasyCleaner, install and run:

The main window is opened

Clearing Registers

Click "Registry",

in the "Clean registry" window, click "Find" - begins scanning entries in the registers

then click "Select all" and "Delete all" - clearing registers completed
Close window - click "Close"

Remove malware

In the main window click "Add/remove",
in the opened "Add/remove program list" window, click "Find" - begins scanning programs,
then see a list of all programs with the notation on the right side - (red, yellow, green)

Select malware (red cycle), click "Uninstall", any times "OK",
select this program again and click "Delete". Repeat for all programs with a red circle.
Close window - "Close"

Remove temp files

In the main window click "Unnecessary", in the opened "Unnecessary files" window select
drives, then select - "Normal types", "Temp directories",
"Temp internet files", "Browser cookies", "Browser history" and click "Find"

in the opened "Unnecessary files" window, click "Select all", then "Delete all"

Close window - "Close"

Startup cleanup

In the main window, click "Startup", in the opened "Startup inspector" window,
click "Find" - startup programs scanning,

then select unused program, example. Adobe Reader and click "Delete"

Close window - "Close"

Note
Startup programs, Windows system files, drivers, antivirus, antispyware.
For Internet Explorer
Use buttons "Clear files", "Clear cookies", "Clear history", you can remove temp files, cookies and internet history.