Overview
What is CSingleInstance?
CSingleInstance : Limit your applications to a single instance by turning to this C++ class that can be easily implemented and features an example
In depth
A closer look at CSingleInstance
CSingleInstance Win32 can make it difficult to create single instances out of target applications since the hPrevInstance parameter has been removed from WinMain while separate address spaces have been introduced. Although the Internet has many methods that users can follow in order to limit their applications to single instances, some of the codes that are published online require advanced understanding and operating of MFC, which is short for Microsoft Foundation Classes.
Verdict
Should you download CSingleInstance?
CSingleInstance runs on
Windows 10/11
and is available under the
Freeware
license
— the installer is 40 KB.
We’ve catalogued it under
General.
✓
Verified clean. Every CSingleInstance build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance
CSingleInstance specifications
- Publisher
-
Naughter Software
- Last updated
- May 1, 2026
- License
- Freeware
- Operating system
- Windows 10/11
- File size
- 40 KB
- Price
- Free
- Page views
- 521
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