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How to Repair Corrupted and Damaged System files in Windows 7 and Vista
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<blockquote data-quote="Jack" data-source="post: 22178" data-attributes="member: 1"><p>If any of the Windows system files are missing or are corrupted, Windows may not behave as expected. For example, some Windows functions may not work, or Windows may crash. </p><p>Windows 7, like previous version, has an inbuilt tool called <strong>System File Checker</strong> tool (SFC.exe) which scans for missing or corrupted system files and repairs them. Using System File Checker tool (SFC.exe), you can determine which file is causing the issue, and then replace the file.</p><p></p><p><span style="font-size: 15px"><strong>How to scan and repair system files</strong></span> :</p><p></p><p></p><ol> <li data-xf-list-type="ol">Click the <strong>Start</strong> button<img src="http://res2.windows.microsoft.com/resbox/en/Windows%207/main/4f6cbd09-148c-4dd8-b1f2-48f232a2fd33_818.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />,into the <em>Search box</em> type "<em>cmd</em>"</li> <li data-xf-list-type="ol">When <strong>Command Prompt</strong> appears in the search results, <em>Right click</em> on it and select <strong>Run as Administrator</strong><br /> <br /> <img src="http://i.imgur.com/mUsmf.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /><br /> </li> <li data-xf-list-type="ol">Now type the command <em>SFC /SCANNOW</em> and <strong>press enter</strong>. <br /> <br /> <img src="http://i.imgur.com/gLNRS.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /><br /> </li> <li data-xf-list-type="ol">The System File Checker will now check all the files that make up your copy of Windows and repair any it finds are corrupt.<br /> <br /> <img src="http://i.imgur.com/6LOYt.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /><br /> <br /> Depending on your system, the scan can take up to 15-20 minutes. If the scan encountered system file errors and it fixed them, you will see a confirmation message just like in the screenshot below.<br /> <br /> <img src="http://i.imgur.com/FXMT4.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><br /> </li> </ol><p></p><p><strong>WARNING</strong> : Please note that if you have modified your system files in order to add custom themes to your operating system, running sfc /scannow will revert the system files such as explorer.exe back to it's default state. </p><p>Make the appropriate backups of your system files that you have modified for theming if you wish to save them before running <em>sfc /scannow</em>.</p><p></p><p></p><p></p><p></p><p><em>Related videos</em></p><p>Uploaded by thelongclimb on Jan 27, 2011</p><p>[media=youtube]DMjdj1obj_0[/media]</p></blockquote><p></p>
[QUOTE="Jack, post: 22178, member: 1"] If any of the Windows system files are missing or are corrupted, Windows may not behave as expected. For example, some Windows functions may not work, or Windows may crash. Windows 7, like previous version, has an inbuilt tool called [b]System File Checker[/b] tool (SFC.exe) which scans for missing or corrupted system files and repairs them. Using System File Checker tool (SFC.exe), you can determine which file is causing the issue, and then replace the file. [SIZE=4][b]How to scan and repair system files[/b][/SIZE] : [list=1][*]Click the [b]Start[/b] button[img]http://res2.windows.microsoft.com/resbox/en/Windows%207/main/4f6cbd09-148c-4dd8-b1f2-48f232a2fd33_818.jpg[/img],into the [i]Search box[/i] type "[i]cmd[/i]" [*]When [b]Command Prompt[/b] appears in the search results, [i]Right click[/i] on it and select [b]Run as Administrator[/b] [IMG]http://i.imgur.com/mUsmf.png[/IMG] [*]Now type the command [i]SFC /SCANNOW[/i] and [b]press enter[/b]. [IMG]http://i.imgur.com/gLNRS.png[/IMG] [*]The System File Checker will now check all the files that make up your copy of Windows and repair any it finds are corrupt. [IMG]http://i.imgur.com/6LOYt.png[/IMG] Depending on your system, the scan can take up to 15-20 minutes. If the scan encountered system file errors and it fixed them, you will see a confirmation message just like in the screenshot below. [IMG]http://i.imgur.com/FXMT4.jpg[/IMG] [/list] [b]WARNING[/b] : Please note that if you have modified your system files in order to add custom themes to your operating system, running sfc /scannow will revert the system files such as explorer.exe back to it's default state. Make the appropriate backups of your system files that you have modified for theming if you wish to save them before running [i]sfc /scannow[/i]. [i]Related videos[/i] Uploaded by thelongclimb on Jan 27, 2011 [media=youtube]DMjdj1obj_0[/media] [/QUOTE]
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