If you’re using a USB modem with a Windows computer and get error message 633 ‘The port is already in use’ when trying to connect to the internet, it’s probably because of one of the following: The computer wasn’t shut down properly while still connected to the internet A software conflict with the USB modem
How do I fix Error 633 The modem is already in use?
Fixed: Error 633 The modem (or other connecting device) is currently in…
- Solution 1: All unnecessary Internet installations and programs. 2.
- Solution Turn off your Internet connection and then turn it back on.
- Update Solution 3: Your network adapter drivers.
- Solution 4: Uninstall (and then reinstall) this network adapter.
How do I fix Error 633 on my modem?
Fixed: Error 633 The modem (or other connecting device) is now in…
- Solution 1: Install all programs from your Internet device, plus those you don’t need.
- Solution 5: Turn off your Internet connection and then turn it back on.
- Solution 3. : Update the network drivers for your mobile phone adapter. 4:
- Solution Uninstall (and reinstall in this case) your network adapter.
Why do I get VPN error 633 in Windows 10?
In short, VPN error 633 on Windows 10 mostly occurs when the VPN connection port is already in use due to Windows Creators Update or due to outdated modem drivers. Today we saw the methods by which our VPN tech support fixed this factual error. Easy Fix for Virtual Private Network Error 429!!
How do you fix error 633 on Iphone?
Help me please!
- Remedy “Error 633: Cable box already exists or not configured correctly”
- Start the Registry Editor.
- Reserve the TCP port.
- li >
- Reserve a TCP port.
- li>
- Update/reinstall your modem drivers.
- Prohibit websites, ISPs, others and parties from tracking you.
- Quickly recover lost files.
What is the Error code 633?
Many users have reported modem error 633. This error indicates that your modem is not properly assembled. This error can occur if the communication port used by your modem has been reserved by other software. Error 633 also occurs when users set up multiple Internet connections.
Which has failed the error code returned on failure is 633?
“Error 633: The modem is already in use, even if it is incorrectly configured” is not limited to a specific device, so any existing PC model and model can be affected. The error message usually explicitly states that the modem is indeed not working due to a bad configuration.
How do I fix Error 633 The modem is already in use?
Fixed: Error 633 (or the modem of another connected device) is already in…
- Solution 1: Install any Internet product programs you don’t need.
- Solution 2: Disable and then re-enable your network connection.
- Solution 3: Update your network system drivers for your adapter.4.
- Solution Uninstall (then reinstall) your communication adapter.
How do I fix Error 633 on my modem?
Troubleshooting: 633 modem (or other connecting device) is already in…
- Solution 1: Install any Internet system programs you don’t need. 2.
- Solution Disable and, if necessary, re-enable your network connection.
- Updated solution 3. These are network adapter drivers.
- Solution 4: Uninstall (then reinstall) adapter mlm.
Why do I get VPN error 633 in Windows 10?
In short, VPN error 633 in Windows 10 mostly occurs when the VPN communication port is probably already in use due to one Windows Creator update or due to outdated modem drivers. Today we are reading about the methods used by our VPN support engineers to fix this error. Easy solution for VPN 429!! accident
How do you fix error 633 on Iphone?
Help me please!
- Remedy “Error 633: Modem is already in use or incorrectly configured”
- Launch the Registry Editor.
- Reserve the same TCP Port.
- Update/reinstall your modem drivers.
- Prohibit websites, ISPs, and other parties from tracking what has been stolen from you.
- Set up recovery of lost data files quickly.
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What is the Error code 633?
Many users report switch error 633. This error indicates that your modem is not configured correctly. This error may occur if our communication port used by your cable box has been reserved by another office tools program. Error 633 also occurs because users set up multiple Internet connections.
Which has failed the error code returned on failure is 633?
“Error 633: The modem is already in use, even if it is not configured correctly” is not limited to a specific device, so any device and PC model can be affected. The error message specifically means that the computer is not working due to a misconfiguration.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.