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Error 1935 during Parallels Tools installation

  • Parallels Desktop for Mac


You may receive the following error message when you try to install Parallels Tools:

Error 1935. An error occurred during the installation of assembly component {98CB24AD-52FB-DB5F-A01F-C9B3B9A1E18E} HRESULT: 0x080070057

Note: There are several kinds of HRESULT messages and you need to choose and apply the exact solution for the exact HRESULT you received in the error message. Component {GUID} may be different. Look for the following:

  • Message box with Error 1935 contains one of the "HRESULT: 0x080070057/ 0x800736FD/ 0x80070BC9/ 0x80070422"
  • Log file C:\Winodws\Temp\parallels-tools-setup.log contains string with one of the HRESULT: 0x080070057/ 0x800736FD/ 0x80070BC9/ 0x80070422.


Windows integrity violation.


  1. Please click "OK" on the Parallels Tools error message. Go to C:\Windows\Temp** and open the most recent **parallels-tools-setup-.log;
  2. Parallels-tools-setup.log will be opened in Notepad (by default), please choose Edit -> Find to locate the HRESULT error message;
  3. If you receive "Error 1935. An error occurred during the installation of assembly component {GUID} HRESULT: 0x080070057" please try the following solution:

    • In Windows: Go to Start Menu -> Control Panel -> Programs (Add/Remove programs for Windows XP);
    • Click on Microsoft NET Framework 3.5 (2.0,3.5SP1), but do not uninstall;
    • Choose 'Repair' and wait till repair is finished.

    Now, please try to install Parallels Tools once again.

    If you receive "Could not access VBScript runtime for custom action error" when installing Parallels Tools, please check this knowledgebase article Unable to install Parallels Tools due to "Could not access VBScript runtime for custom action error" message.

  4. If you receive "Error 1935. An error occurred during the installation of assembly component {GUID} HRESULT: 0x800736FD" try the following solution:

    Note: Take a full Registry backup before modifying Windows Registry.

    • Go to Start -> Run -> and type "services.msc" (without quotes) and hit return. In services please check if 'Windows Modules Installer' and 'TrustedInstaller' services are started.

    • If not, please go to Start -> Run -> and type "msconfig" (without quotes) and check if you are running Windows in 'Normal startup' mode. If not, please apply and boot computer in 'Normal startup' mode.

    • If you are running in 'Normal startup' mode already, please return to 'Services' window, and try to launch the services mentioned above manually: right-click on service name -> Properties -> change 'Startup type' to Automatic -> hit 'Apply' -> close this window and try to start the service.

    • If you receive an error "1450 Insufficient System resources" error when trying to start 'Windows Modules Installer', then it is the origin of the problem. Solution:

      • Go to Start menu -> Run -> type "regedit" (without quotes) and hit return to start Windows registry. Find the following registry key:

        Type: REG_DWORD
        Value: 0xFFFFFF (4294967295)
      • If the key type and value are different from the example above - edit them to be the same as the example.

      • Restart the virtual machine
      • Open a Command Prompt as Administrator (C:\Windows\System32\cmd.exe) and run SFC /SCANNOW to check the integrity of system modules.
      • Install pending windows updates.
  5. If you receive "Error 1935. An error occurred during the installation of assembly component {GUID} HRESULT: 0x80070BC9" please try the following solution:

    • Click Ok on Parallels Tools error message;
    • Complete Windows Update setup;
    • Reboot when prompted;
    • After reboot wait while Windows Update completes. If Parallels Tools Agent start auto-update tools and Windows update is still active, cancel Parallels Tools Setup;
    • Install (update) Parallels Tools via Parallels Desktop dropdown menu -> Actions (Virtual Machine in Parallels Desktop 9) -> Install Parallels Tools

Search words:

HRESULT: 0x080070057

HRESULT: 0x800736FD

Parallels tools installation crashes

HRESULT: 0x80070BC9

an error while installing Parallels Tools

HRESULT: 0x80070422

Parallels tools

1e5db16426987d561060acdf56d947b4 33c4522b6fa9ca8e050f19b889fb58f1

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