Clean boot is a boot configuration, when minimal set of services and autorun programs starts with Windows. It’s a good tool for troubleshooting software issues. 

 To load Windows with clean boot configuration, follow those steps:

1)   1) Press “Start” button.

2) Type “msconfig”.

3) Press Enter or left click on “msconfig” link, that has appeared in search results.

4) On “General” tab, uncheck “Load startup items”.

5) On “Services” tab, check “Hide all Microsoft services”.

6) Press “Disable all” button and then “OK”.

7) It will prompt you to restart system - choose “Restart”.

1)      8) Now, system will load with “clean boot” configuration.

To change default Windows remote desktop protocol (RDP) port number (3389) to any other, follow this instructions:

1. Press "Start" button and type "regedit":

2. Expand the registry folders to:

HKEY_LOCAL_MACHINE --> System --> CurrentControlSet --> Control -->Terminal Server --> WinStations --> RDP-Tcp

3. Look for "Port number" entry and double-click on it. In opened window choose "Decimal" and change "Value data" field to desired port number.

4. Press OK.

5. Make sure that new port is opened in firewall.

6. Enjoy

Windows 7 allows you to manage whole system volume level and each application separately.

To change the volume level for any desired application, follow this simple steps:

1. Right-click on Speakers icon in notification area.

2. Choose "Open volume mixer".

3. At appeared window you may change volume level for different applications.