proxysync.exe

ProxySync Synchronization Service

System ProcessSafeProxy Synchronization Tool
CPU Usage
1-8%
Memory
120-350 MB
Location
C:\\Program Files\\ProxySync\\proxysync.exe
Publisher
Zscaler, Inc.

Quick Answer

proxysync.exe is safe. ProxySync is a legitimate service that manages and enforces proxy configurations, pulling policy data from a central server and applying it to the local network stack.

Is it a Virus?
 NO - Safe
Must be in C:\\Program Files\\ProxySync\\proxysync.exe
Can I Disable?
 YES
Disabling proxysync.exe may stop automatic proxy policy distribution and background syncing
Is proxysync.exe required?
36F3F33 Depends on deployment
If proxysync.exe is missing or located in an unexpected folder, investigate further

What is proxysync.exe?

proxysync.exe is the executable for the ProxySync Synchronization Service. It ensures consistent proxy settings across browsers, applications, and system components by pushing policy updates, PAC files, and DNS configurations from a central server to endpoints. It can run as a background service or at startup, depending on deployment.

proxysync.exe runs as a Windows service and coordinates with a central policy server to apply proxy configurations on the local machine. It spawns worker processes to apply changes safely and isolate tasks, improving reliability and security.

Quick Fact: ProxySync is commonly used in enterprises to centrally manage network proxies and ensure policy consistency across devices.

Types of ProxySync Processes

Is proxysync.exe Safe?

Yes, proxysync.exe is safe when it's the legitimate file from a trusted vendor and installed from official sources.

Is proxysync.exe a Virus or Malware?

The real proxysync.exe is NOT a virus. Malware may imitate names to mislead users.

How to Tell if proxysync.exe is Legitimate or Malware

  1. File Location:: Must be in C:\\Program Files\\ProxySync\\proxysync.exe or C:\\Program Files (x86)\\ProxySync\\proxysync.exe.
  2. Digital Signature:: Right-click proxysync.exe -> Properties -> Digital Signatures. Should show "ProxyTech Ltd." or the legitimate vendor.
  3. Resource Usage:: Normal usage is 1-8% CPU, 50-200 MB RAM per process.
  4. Behavior:: ProxySync should run as a background service and only activate when policy updates or startup tasks occur.

Red Flags: If proxysync.exe is located in unusual folders (like C:\Users\YourUser\AppData\Local\Temp) or shows no digital signature, or runs without user action, scan immediately. Be wary of similarly-named files such as "proxysync.exe" in non-official directories.

Why Is proxysync.exe Running on My PC?

proxysync.exe runs when the ProxySync service is installed and active or when the deployment triggers a policy push; it ensures endpoints receive consistent proxy configurations from central policy controllers.

Reasons it's running:

Can I Disable or Remove proxysync.exe?

Yes, you can disable proxysync.exe. However, disabling may stop automatic proxy policy distribution, cause inconsistent network routing, and impact access to corporate resources. You can re-enable or uninstall if needed.

How to Stop proxysync.exe

How to Uninstall ProxySync

Common Problems: High CPU or Memory Usage

If proxysync.exe is consuming excessive resources or behaving unexpectedly, try the following targeted steps to identify and mitigate the issue.

Common Causes & Solutions

Quick Fixes:
1. Quick Fixes:
2. 1. Open ProxySync Task Manager (or use Windows Task Manager) to identify the specific policy or proxy rule causing high resource usage.
3. 2. Clear or refresh proxy configurations and PAC files.
4. 3. Disable non-essential proxy rules in the policy server and on the client.
5. 4. Update ProxySync to the latest version.
6. 5. Verify DNS/Wpad/pac settings and reset if needed.

Frequently Asked Questions

Is proxysync.exe safe?

Yes, proxysync.exe is not a virus when installed from ProxyTech Ltd. or official enterprise sources, and when located in C:\Program Files\ProxySync\proxysync.exe with a valid signature.

Why is proxysync.exe using so much CPU?

High CPU or memory usage is usually tied to active proxy rules or frequent policy updates. Check the ProxySync management console and look for recently applied rules or PAC files.

Can I uninstall proxysync.exe?

Yes, you can uninstall ProxySync via Windows Settings or Control Panel. Data like cached proxies may be removed unless backed up by your profile or policy.

Can I disable proxysync.exe?

Yes, you can disable proxysync.exe by stopping the service or turning off startup. However, this may stop automatic proxy updates and impact network access.

How do I re-enable ProxySync after disabling?

You can re-enable or reinstall ProxySync from the enterprise portal or official vendor site if needed.

Does ProxySync affect VPN connections?

ProxySync integrates with corporate proxy configurations, VPNs, and PAC files. It does not replace VPNs but ensures proxy settings are consistent across apps.

Related Processes