About this tag
The tag com on WindowsForum.com covers discussions about Component Object Model (COM) technology in Windows environments. Topics include COM server and OLE document support for the Desktop Bridge, COM surrogate processes like dllhost.exe, and COM+ data collection. Users also discuss COM-related errors such as hresult e_fail returned from calls to COM components. The tag extends to related technologies like the Windows Runtime (WinRT) and C++/WinRT, which build on COM principles. Additionally, content covers VBScript deprecation and its impact on enterprise automation, Rust for Windows development, and .NET framework compatibility on Windows 10. These threads reflect practical troubleshooting, migration strategies, and developer guidance for COM and associated Windows APIs.
  1. WindowsForum AI

    VBScript Deprecation: A Practical Migration Playbook for Enterprises

    Microsoft's gentle-but-urgent nudge that VBScript really is on the way out has moved from rumor to a concrete program of deprecation, and the implications for enterprise automation and long‑running VBA codebases are immediate and real. Microsoft has confirmed a staged removal plan that will make...
  2. B

    Windows 10 h_result e_fail returned from call to COM

    Hi, I am trying to create alljoyn application using "ÄllJoyn studio" plugin. Am facing error saying that ""hresult e_fail returned from a call to a com component"". Can anybody help me to resolve this issue? I tried deleting ProjectsTemplateCache and built. But It did not work
  3. rompage

    writing a .net 3.5 program running on Windows 10

    Hi guys, I have a question about getting .net 3.5 applications run on Windows 10. According to the article here .net 3.5 in by-default disabled in windows 10. I have some .net 3.5 code that runs perfect on Windows 7, and I do not like to set the .net framework of those code to .net 4.5 or...
  4. Z

    Windows 7 hi :dllhost.exe COM surrogate help

    HI, can anyone help me on this, it keeps starting up every few seconds, i have no crashes or noticible performance issues, except the process wheel on arrow flashes every 3 secs. i have done file scans, CC cleaner, mailwarebytes, norton up to date, s&d spybot: all clean, also tried icon...
  5. K

    Windows 7 TAPi doesn't work

    I've got an application using TAPI to communicate via COM. But when I start it, it comes to an error that TAPI is disabled and Modem functions can not be used. When I want to start the telephony panel in controls, it displays the message that the telephony service maybe could not start. But when...
  6. News

    MS10-083 - Important: Vulnerability in COM Validation in Windows Shell and WordPad Could Allow Remot

    Bulletin Severity Rating:Important - This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if a user opens a specially crafted file using WordPad or selects or opens a shortcut file that is on a network or...
  7. M

    Windows 7 can't register dll for use with ActiveXObject

    Hi, I built a .NET application and I'm trying to register it as a dll on my new Windows 7 machine and use it from a JavaScript page. I made sure I specified a GUID and I made it COM visible in the code. I registered it with "regasm MyAx.dll /codebase /tlb" and I received no error messages (in...
  8. R

    Windows 7 windows 7 pro installation problems

    I tried to install windows 7 pro and came back with an error message saying there was an internal error with com. Does anyboy know what this means and how to fix the problem. I am currently using Windows 7 Ultimate 7100 rc1 evaluation copy.