What is TSVulFW.DAT?

Please read below to decide for yourself whether the TSVulFW.DAT on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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TSVulFW.DAT file information

The process known as TSVulFW or PC Manager-TSVulFW belongs to software or PC Manager or Tencent Traveler or Tencent TSVulFW by Tencent (

Description: TSVulFW.DAT is not essential for the Windows OS and causes relatively few problems. The file TSVulFW.DAT is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 661,856 bytes (28% of all occurrences), 674,144 bytes and 8 more variants. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. It can change the behavior of other programs or manipulate other programs. The program has no visible window. There is no detailed description of this service. The TSVulFW.DAT file is not a Windows core file. TSVulFW.DAT is a Verisign signed file. The file has a digital signature. There is no file information. TSVulFW.DAT is able to record keyboard and mouse inputs, monitor applications and manipulate other programs. Therefore the technical security rating is 63% dangerous.

Uninstalling this variant: If you encounter difficulties with TSVulFW.DAT, you can uninstall the program using the Control Panel ⇒ Uninstall a ProgramTencent Traveler.

Recommended: Identify TSVulFW.DAT related errors

Important: Some malware camouflages itself as TSVulFW.DAT. Therefore, you should check the TSVulFW.DAT process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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Best practices for resolving TSVulFW issues

A clean and tidy computer is the key requirement for avoiding problems with TSVulFW. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the TSVulFW.DAT process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

TSVulFW.DAT [all]