Turn off and turn on the System Restore feature in Microsoft Windows XP Home edition should be performed by taking help from this tutorial. On turning off System Restore, the restore points that track changes in Windows are removed by Windows XP. On turning it on, Windows XP creates restore points to track changes in Windows.
Microsoft has added a wonderful Windows repair tool to find a quick way out of Windows problems. This is actually a reverse gear, which you can use to alter any changes that might have incurred to the operating system due to faulty software or driver update, virus or malware attack, incompatible driver, or more. So don't forget to create Restore Point within a reasonable timeframe-say, the last couple of months to stay safe.
"Post-Mortem Summary
This document details the cause and events occurring immediately after App Engine's outage on February 24th, 2010, as well as the steps we are taking to mitigate the impact of future outages like this one in the future.
On February 24th, 2010, all Googe App Engine applications were in varying degraded states of operation for a period of two hours and twenty minutes from 7:48 AM to 10:09 AM PT | 15:48 to 18:09 GMT. The underlying cause of the outage was a power failure in our primary datacenter. While the Google App Engine infrastructure is designed to quickly recover from these sort of failures, this type of rare problem, combined with internal procedural issues extended the time required to restore the service.
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It is really very frustrating when you lose data due to hard disk crash or any other computer problem. Whether it is family photos, music collection or any financial data, keeping it safe is your responsibility. Thus, regularly backing up your data and settings is highly recommended.