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1. Cisco Anyconnect Crash Library Missing Key
2. Cisco Anyconnect Crash Library Missing Files
3. Cisco Anyconnect Crash Library Missing File

Right-click the Cisco AnyConnect VPN Client log, and select Save Log File as AnyConnect.evt. Note: Always save it as the.evt file format. If the user cannot connect with the AnyConnect VPN Client, the issue might be related to an established Remote Desktop Protocol (RDP) session or Fast User Switching enabled on the client PC. A vulnerability in Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system. This vulnerability is due to uncontrolled memory allocation. An attacker could exploit this vulnerability by copying a crafted file to a specific folder on the. RSP2: CylonMgr Crash in Multicast on RP SSO Soak. RSP3: IOMD crash @ iomdbsessopencallbackretry on new active after RP SSO. PTPD crashed after removing the ptp configs, default profile CSCvk13764. The ueamgr fault on fp00 issue leads to 907 crash on boot-up.

This article features error number Code 2753, commonly known as Cisco Anyconnect Vpn Client Error Code 2753 described as Error 2753: Cisco VPN Client has encountered a problem and needs to close. We are sorry for the inconvenience.

Error Information

Error name:

Cisco Anyconnect Crash Library Missing Key

Cisco Anyconnect Vpn Client Error Code 2753
Error number: Error 2753
Description: Error 2753: Cisco VPN Client has encountered a problem and needs to close. We are sorry for the inconvenience.
Software: Cisco VPN Client
Developer: Cisco Systems, Inc.
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About Runtime Error 2753

Runtime Error 2753 happens when Cisco VPN Client fails or crashes whilst it’s running, hence its name. It doesn’t necessarily mean that the code was corrupt in some way, but just that it did not work during its run-time. This kind of error will appear as an annoying notification on your screen unless handled and corrected. Here are symptoms, causes and ways to troubleshoot the problem.

Definitions (Beta)

Here we list some definitions for the words contained in your error, in an attempt to help you understand your problem. This is a work in progress, so sometimes we might define the word incorrectly, so feel free to skip this section!

• Cisco - Use this tag for software development issues related to Cisco hardware
• Client - A client is an application or system that accesses a service made available by a server.
• Error code - An error code is a value returned to provide context on why an error occurred
• Vpn - A virtual private network VPN is a network that uses primarily public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network

Cisco Anyconnect Crash Library Missing Files

Symptoms of Code 2753 - Cisco Anyconnect Vpn Client Error Code 2753

Runtime errors happen without warning. The error message can come up the screen anytime Cisco VPN Client is run. In fact, the error message or some other dialogue box can come up again and again if not addressed early on.

There may be instances of files deletion or new files appearing. Though this symptom is largely due to virus infection, it can be attributed as a symptom for runtime error, as virus infection is one of the causes for runtime error. User may also experience a sudden drop in internet connection speed, yet again, this is not always the case.

(For illustrative purposes only)

Causes of Cisco Anyconnect Vpn Client Error Code 2753 - Error 2753

During software design, programmers code anticipating the occurrence of errors. However, there are no perfect designs, as errors can be expected even with the best program design. Glitches can happen during runtime if a certain error is not experienced and addressed during design and testing.

Runtime errors are generally caused by incompatible programs running at the same time. It may also occur because of memory problem, a bad graphics driver or virus infection. Whatever the case may be, the problem must be resolved immediately to avoid further problems. Here are ways to remedy the error.

Repair Methods

Runtime errors may be annoying and persistent, but it is not totally hopeless, repairs are available. Here are ways to do it.

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Please note: Neither ErrorVault.com nor it's writers claim responsibility for the results of the actions taken from employing any of the repair methods listed on this page - you complete these steps at your own risk.

When you get a runtime error, keep in mind that it is happening due to programs that are conflicting with each other. The first thing you can do to resolve the problem is to stop these conflicting programs.

• Open Task Manager by clicking Ctrl-Alt-Del at the same time. This will let you see the list of programs currently running.
• Go to the Processes tab and stop the programs one by one by highlighting each program and clicking the End Process buttom.
• You will need to observe if the error message will reoccur each time you stop a process.
• Once you get to identify which program is causing the error, you may go ahead with the next troubleshooting step, reinstalling the application.

Using Control Panel

• For Windows 7, click the Start Button, then click Control panel, then Uninstall a program
• For Windows 8, click the Start Button, then scroll down and click More Settings, then click Control panel > Uninstall a program.
• For Windows 10, just type Control Panel on the search box and click the result, then click Uninstall a program
• Once inside Programs and Features, click the problem program and click Update or Uninstall.
• If you chose to update, then you will just need to follow the prompt to complete the process, however if you chose to Uninstall, you will follow the prompt to uninstall and then re-download or use the application's installation disk to reinstall the program.

Using Other Methods

• For Windows 7, you may find the list of all installed programs when you click Start and scroll your mouse over the list that appear on the tab. You may see on that list utility for uninstalling the program. You may go ahead and uninstall using utilities available in this tab.
• For Windows 10, you may click Start, then Settings, then choose Apps.
• Scroll down to see the list of Apps and features installed in your computer.
• Click the Program which is causing the runtime error, then you may choose to uninstall or click Advanced options to reset the application.

You might be getting the error because of an update, like the MS Visual C++ package which might not be installed properly or completely. What you can do then is to uninstall the current package and install a fresh copy.

• Uninstall the package by going to Programs and Features, find and highlight the Microsoft Visual C++ Redistributable Package.
• Click Uninstall on top of the list, and when it is done, reboot your computer.
• Download the latest redistributable package from Microsoft then install it.

You might also be experiencing runtime error because of a very low free space on your computer.

• You should consider backing up your files and freeing up space on your hard drive
• You can also clear your cache and reboot your computer
• You can also run Disk Cleanup, open your explorer window and right click your main directory (this is usually C: )
• Click Properties and then click Disk Cleanup

If the error is related to a bad graphics driver, then you may do the following:

• Open your Device Manager, locate the graphics driver
• Right click the video card driver then click uninstall, then restart your computer

If the error you are getting is related to the Internet Explorer, you may do the following:

1. Reset your browser.
• For Windows 7, you may click Start, go to Control Panel, then click Internet Options on the left side. Then you can click Advanced tab then click the Reset button.
• For Windows 8 and 10, you may click search and type Internet Options, then go to Advanced tab and click Reset.
2. Disable script debugging and error notifications.
• On the same Internet Options window, you may go to Advanced tab and look for Disable script debugging
• Put a check mark on the radio button
• At the same time, uncheck the 'Display a Notification about every Script Error' item and then click Apply and OK, then reboot your computer.

If these quick fixes do not work, you can always backup files and run repair reinstall on your computer. However, you can do that later when the solutions listed here did not do the job.


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Microsoft & Windows® logos are registered trademarks of Microsoft. Disclaimer: ErrorVault.com is not affiliated with Microsoft, nor does it claim such affiliation. This page may contain definitions from https://stackoverflow.com/tags under the CC-BY-SA license. The information on this page is provided for informational purposes only. © Copyright 2018

Objective

The objective of this document is to show you basic troubleshooting steps on some common errors on the Cisco AnyConnect Secure Mobility Client. When installing the Cisco AnyConnect Secure Mobility Client, errors may occur and troubleshooting may be needed for a successful setup.

Note that the errors discussed in this document is not an exhaustive list and varies with the configuration of the device used.

For additional information on AnyConnect licensing on the RV340 series routers, check out the article AnyConnect Licensing for the RV340 Series Routers.

Software Version

• AnyConnect v4.x (Link to download)

Basic Troubleshooting on Cisco AnyConnect Secure Mobility Client Errors

Note: Before attempting to troubleshoot, it is recommended to gather some important information first about your system that might be needed during the troubleshooting process. To learn how, click here.

1. Problem: Network Access Manager fails to recognize your wired adapter.

Solution: Try unplugging your network cable and reinserting it. If this does not work, you may have a link issue. The Network Access Manager may not be able to determine the correct link state of your adapter. Check the Connection Properties of your Network Interface Card (NIC) driver. You may have a 'Wait for Link' option in the Advanced Panel. When the setting is On, the wired NIC driver initialization code waits for auto negotiation to complete and then determines if a link is present.

2. Problem: When AnyConnect attempts to establish a connection, it authenticates successfully and builds the Secure Socket Layer (SSL)session, but then the AnyConnect client crashes in the vpndownloader if using Label-Switched Path (LSP) or NOD32 Antivirus.

Solution: Remove the Internet Monitor component in version 2.7 and upgrade to version 3.0 of ESET NOD32 AV.

3. Problem: If you are using an AT&T Dialer, the client operating system sometimes experiences a blue screen, which causes the creation of a mini dump file.

Solution: Upgrade to the latest 7.6.2 AT&T Global Network Client.

4. Problem: When using McAfee Firewall 5, a User Datagram Protocol (UDP)Datagram Transport Layer Security (DTLS) connection cannot be established.

Solution: In the McAfee Firewall central console, choose Advanced Tasks > Advanced options and Logging and uncheck the Block incoming fragments automatically check box in McAfee Firewall.

5. Problem: The connection fails due to lack of credentials.

Solution: The third-party load balancer has no insight into the load on the Adaptive Security Appliance (ASA) devices. Because the load balance functionality in the ASA is intelligent enough to evenly distribute the VPN load across the devices, using the internal ASA load balancing instead is recommended.

6. Problem: The AnyConnect client fails to download and produces the following error message:

Solution: Upload the patch update to version 1.2.1.38 to resolve all dll issues.

7. Problem: If you are using Bonjour Printing Services, the AnyConnect event logs indicate a failure to identify the IP forwarding table.

Solution: Disable the Bonjour Printing Service by typing net stop “bonjour service” at the command prompt. A new version of mDNSResponder (1.0.5.11) has been produced by Apple. To resolve this issue, a new version of Bonjour is bundled with iTunes and made available as a separate download from the Apple web site.

8. Problem: An error indicates that the version of TUN or network tunnel is already installed on this system and is incompatible with the AnyConnect client.

Solution: Uninstall the Viscosity OpenVPN Client.

9. Problem: If a Label-Switched Path (LSP) module is present on the client, a Winsock catalog conflict may occur.

Solution: Uninstall the LSP module.

10. Problem: If you are connecting with a Digital Subscriber Line (DSL) router, DTLS traffic may fail even if successfully negotiated.

Solution: Connect to a Linksys router with factory settings. This setting allows a stable DTLS session and no interruption in pings. Add a rule to allow DTLS return traffic.

11. Problem: When using AnyConnect on some Virtual Machine Network Service devices, performance issues have resulted.

Solution: Uncheck the binding for all IM devices within the AnyConnect virtual adapter. The application dsagent.exe resides in C:WindowsSystemdgagent. Although it does not appear in the process list, you can see it by opening sockets with TCPview (sysinternals). When you terminate this process, normal operation of AnyConnect returns.

12. Problem: You receive an “Unable to Proceed, Cannot Connect to the VPN Service” message. The VPN service for AnyConnect is not running.

Solution: Determine if another application conflicted with the service by going to the Windows Administration Tools then make sure that the Cisco AnyConnect VPN Agent is not running. If it is running and the error message still appears, another VPN application on the workstation may need to be disabled or even uninstalled. After taking that action, reboot, and repeat this step.

13. Problem: When Kaspersky 6.0.3 is installed (even if disabled), AnyConnect connections to the ASA fail right after CSTP state = CONNECTED. The following message appears:

Solution: Uninstall Kaspersky and refer to their forums for additional updates.

14. Problem: If you are using Routing and Remote Access Service (RRAS), the following termination error is returned to the event log when AnyConnect attempts to establish a connection to the host device:

Solution: Disable the RRAS service.

15. Problem: If you are using a EVDO wireless card and Venturi driver while a client disconnect occurred, the event log reports the following:

Solutions:

• Check the Application, System, and AnyConnect event logs for a relating disconnect event and determine if a NIC card reset was applied at the same time.
• Ensure that the Venturi driver is up to date. Disable Use Rules Engine in the 6.7 version of the AT&T Communications Manager.

If you encounter other errors, contact the support center for your device.

For further information and community discussion on AnyConnect licensing updates, click here.

For AnyConnect Licensing FAQs, click here.