About this tag
Discussions tagged with 'system call' on WindowsForum.com cover two main issues. One involves using the SHChangeNotify system call in NSIS installers to refresh shell icon and file association changes on Windows 7 64-bit, where the call works on XP and 32-bit Windows 7 but fails to update existing registry entries on 64-bit systems. The other recurring problem is a 'system call failed' error that prevents opening folders, My Computer, or desktop icons, often requiring a restart for temporary relief. Users report this error on Windows 7, sometimes linked to USB drives or malware, and seek troubleshooting steps beyond basic scans or temporary file deletion.
  1. Alex Sokolek

    A strange problem with modeless dialog boxes - V2

    I have solved the problem! See the original post, "A strange problem with modeless dialog boxes", for details. This is a repost, incorporating the latest simplifications of the problem statement, and a minimal reproducible example of the code... I'm having a problem with modeless dialog boxes...
    • Alex Sokolek
    • Thread
    • application c++ debugging dialog box document scanning event handling graphics gui linked list modeless multithreading performance progress bar sleep function software optimization system call timer user interface window procedure windows development
    • Replies: 2
    • Forum: Windows Software
  2. Gregj

    Windows 7 File type icon and application associations not updating on Windows 7 64 bit

    Hello, I am working on a NSIS installer that edits the registry for a couple file types to change their icons and the application that runs them. After the registry edits are complete I use the SHChangeNotify system call to force the shell to update with the new settings. ; Tell the shell to...
    • Gregj
    • Thread
    • 64-bit application association explorer file types icon cache nsis installer registry shchangenotify system call windows 7 windows xp
    • Replies: 1
    • Forum: Windows Help and Support
  3. S

    Windows 7 System call failed

    hi when im trying to open folders even "my computer" i got this error Link Removed - Invalid URL i cant open any folders. but if i use browser or something and going to the downloads section and clicking one of the files "open folder" suddenly i got access to all computer. and also if im doing...
    • skeptic
    • Thread
    • corrupted files error message file access folder issues malwarebytes safe mode sfc scan system call troubleshooting windows 7
    • Replies: 2
    • Forum: Windows Help and Support
  4. R

    Windows 7 System call failed

    I just needed to transfer a powerpoint to a usb but the usb wouldn't open. I tried using a different one and the same thing popped up again: system call failed. I am now unable to open computer, and icons on desktop, and right click. I tried deleting all temporary files but Firefox's was not...
    • rit
    • Thread
    • computer access desktop icons error message file transfer firefox powerpoint right click system call temporary files usb transfer
    • Replies: 9
    • Forum: Programming and Scripting
  5. R

    Windows 7 some Desktop icons have gone away

    When I rebooted my computer this AM a number of icons on the desktop had been replaced with the windows default icon used when Windows can't find the icon specified. Also, I could not access a number of root folders and the programs in them would not run from system calls as in the startup...
    • ruggb
    • Thread
    • access issues default icon desktop diagnostics explorer file properties icon cache icon change icons ownership permissions reboot repair rootfolders settings startup system call troubleshooting virus scan windows
    • Replies: 3
    • Forum: Windows Help and Support