[TIP]Recovering Scratched CD’sHere’s an easy home remedy, which might give you the desired results. Rub a small amount of toothpaste on the scratch and polish the CD with a soft cloth and any petroleum-based polishing solution (like clear shoe polish). Squirt a drop of Brasso and wipe it with a clean cloth.
Technology to the rescue:There are [...]

free your ram and improve system performance1) Start any application, say Excel. Open some large documents.

2) Now go to Windows Task Manager and click Processes tab and sort the list in descending order on Mem Usage. You will notice that excel will be somewhere at the top, [...]

Restrict Certain Users From Running An ApplicationYou can selectively restrict access to few apps and file names. To do this, open registry and navigate to: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer Now look for a subkey by the name DisallowRun. Within this key, add many string keys you like each mapped to an application or file that you want to [...]