. Show how to restore when the Hidden Folder option disappears

MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> sometimes font-family:" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '> (font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> for example, MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '> sxs.exe MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> and" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black; MSO-font-kerning:
0pt '> LSASS (MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial; MSO-bidi-font-family:
Arial; color: black; MSO-font-kerning: 0pt "> snow fall virus; color: black; MSO-font-kerning: 0pt '>), 10.5pt; font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> anti-virus software cannot take MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '>, MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> or no anti-virus software font-family:" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '>. Font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> in this case, the MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '>. MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> in this case, you often need to delete the Virus File font-family:" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '>, font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> virus files to protect themselves MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '>, MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> always hide yourself font-family:" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '>. Font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> set the file attribute to hide MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '>, MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> for general viruses, modify the font-family:" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '>: font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '> -- MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> Folder Options" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black; MSO-font-kerning:
0pt '> -- Arial; MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black;
MSO-font-kerning: 0pt "> View font-family:" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '> -- font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> show hidden files to MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '>. MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> however, many viruses invalidate this step by modifying the Registry: 10.5pt; font-family:" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '>, font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> the hidden MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '>, MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> the following operations teach us how to modify the Registry to expose hidden files. MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> first, you must display the hidden System File font-family:" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '>

MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> Run" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black; MSO-font-kerning:
0pt '> Regedit. Find

MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '> HKEY_LOCAL_MACHINE | SOFTWARE | MICROSOFT | Windows | CurrentVersion | explorer | advanced | folder | hidden | showall; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial; MSO-bidi-font-family:
Arial; color: black; MSO-font-kerning: 0pt ">,; color: black; MSO-font-kerning: 0pt '> checkedvalue10.5pt; font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> change the key value to MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '> 1

MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> but it may still be useless. The hidden file is not displayed, because after the virus modifies the Registry to hide the file, the original valid; color: black; MSO-font-kerning: 0pt '> dword10.5pt; font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '> checkedvaluemso-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> deleted. An invalid string value font-family:" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '> checkedvaluefont-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> and change the key value to MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '> 0mso-hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt ">! "Arial", "Sans-serif"; MSO-Fareast-font-family:; color: black; MSO-font-kerning:
0pt '>

MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> method: delete this" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black; MSO-font-kerning:
0pt '> checkedvalue; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial; MSO-bidi-font-family:
Arial; color: black; MSO-font-kerning: 0pt "> key value, right-click 10.5pt; font-family:" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '> font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> Create MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '> dwordmso-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> value, named" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black; MSO-font-kerning:
0pt '> checkedvalue; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial; MSO-bidi-font-family:
Arial; color: black; MSO-font-kerning: 0pt ">, and then modify its key value to; color: black; MSO-font-kerning: 0pt '> 110.5pt; font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> to select MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '> "MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> show all hidden files font-family:" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '> "font-family:; MSO-ascii-font-family: Arial; MSO-Hansi-font-family: Arial;
MSO-bidi-font-family: Arial; color: black; MSO-font-kerning: 0pt "> and MSO-Fareast-font-family:; color: black; MSO-font-kerning: 0pt '> "MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black; MSO-font-kerning:
0pt "> Display System File" Arial "," Sans-serif "; MSO-Fareast-font-family:; color: black; MSO-font-kerning:
0pt '> "Arial; MSO-Hansi-font-family: Arial; MSO-bidi-font-family: Arial; color: black;
MSO-font-kerning: 0pt ">. Font-family: "Arial", "Sans-serif"; MSO-Fareast-font-family:; color: black;
MSO-font-kerning: 0pt '>