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Also run SFC /SCANNOW, allow to complete, restart and test again.
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Also run SFC /SCANNOW, allow to complete, restart and test again.

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Did sfc /scannow in a command window (as administrator). No integrity violations. Why restart and test again?<br />
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btan, that worked. Thank you.
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Did sfc /scannow in a command window (as administrator). No integrity violations. Why restart and test again?

btan, that worked. Thank you.

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When I open File Explorer, it immediately closes down as if it has crashed followed by a restart of File Explorer. (The system tray is repopulated for instance.) I found a workaround here:<br />
<a href="https://support.4it.com.au/article/file-explorer-opens-closes-immediately-windows-10-due-quick-access/" rel="ugc">https://support.4it.com.au/article/file-explorer-opens-closes-immediately-windows-10-due-quick-access/</a><br />
It works for me. However, it does only see a workaround. I am wondering if anyone could help to explain why there is a problem with Quick Access. For instance, if it had been caused by a virus, I definitely need to know that.<br />
Thank you
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When I open File Explorer, it immediately closes down as if it has crashed followed by a restart of File Explorer. (The system tray is repopulated for instance.) I found a workaround here:
https://support.4it.com.au/article/file-explorer-opens-closes-immediately-windows-10-due-quick-access/
It works for me. However, it does only see a workaround. I am wondering if anyone could help to explain why there is a problem with Quick Access. For instance, if it had been caused by a virus, I definitely need to know that.
Thank you

File Explorer (Windows 10) opens and then crashes immediately

Microsoft applications include a variety of software programs, including development and digital authoring programs (Expression and Media Center), educational programs, Internet software, including Essentials, Skype and the Live family, anti-virus, productivity applications and suites like Office, Excel, Word, Outlook, Access and PowerPoint, video games and server applications such as Exchange, SharePoint, IIS and Virtual Server.

Microsoft Applications

Operating systems perform basic tasks, such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk, and controlling peripheral devices such as disk drives and printers. For large systems, the operating system makes sure that different programs and users running at the same time do not interfere with each other. The operating system is also responsible for security, ensuring that unauthorized users do not access the system. Operating systems provide a software platform on top of which other programs, called application programs, can run.

Operating Systems

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.

Windows OS

Anti-virus software was originally developed to detect and remove computer viruses. However, with the proliferation of other kinds of malware, antivirus software started to provide protection from other computer threats. In particular, modern antivirus software can protect from malicious browser helper objects (BHOs), browser hijackers, ransomware, keyloggers, backdoors, rootkits, trojan horses, worms, malicious layered service providers (LSPs), dialers, fraud tools, adware and spyware. Some products also include protection from other computer threats, such as infected and malicious URLs, spam, scam and phishing attacks, online identity theft (privacy), online banking attacks, social engineering techniques, Advanced Persistent Threat (APT), botnets and DDoS attacks.