How to Fix the VCRUNTIME140_1.dll Not Found Error (for 5UF VPN)

❗️Encountering This Error? Follow These Steps to Fix It

If you see the error message below, don’t worry. Simply follow the steps provided to resolve the issue quickly and easily.

✅ Step 1: Go to the Official Microsoft Download Page

? Visit this official link:
? https://learn.microsoft.com/zh-cn/cpp/windows/latest-supported-vc-redist?view=msvc-170

This page contains the latest supported Visual C++ Redistributable installers.

✅ Step 2: Download the Correct File for Your Device

Scroll down to the section:

“Visual C++ Redistributable v14"

Then download the version(s) based on your system:

Your Device Type	File to Download	Description
?️ 64-bit Windows	vc_redist.x64.exe	For most modern systems; includes x64 and ARM64 binaries
? 32-bit Windows	vc_redist.x86.exe	Needed for older systems or some 32-bit apps

✅ Tip: If you're not sure, install both files to ensure full compatibility.

✅ Step 3: Install the Redistributables

Run each.exefile you downloaded
Follow the installation prompts
Restart your computer once finished

✅ Step 4: Launch 5UF VPN Again

After restarting:

Double-click to launch the 5UF VPN client
The app should now start normally without any DLL errors

❌ Important Warning

Do not download DLL files from third-party websites — they may contain malware or be outdated.
Always use the official Microsoft source linked above.