Issue

Cause

Solution

#1

Installation failure

Error: -2 The system cannot find the file specified

Previous version uninstalled incorrectly

1. Remove all previous version files and registry entries. Use specialized cleanup tools such as Windows Troubleshooter.

2. Run regedit.exe and delete registry keys under:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\InstallShield Uninstall Information\{GUID}

and

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{GUID}

Identify the correct GUID by checking the "DisplayName" key value matching the product name.

3. For InstallScript MSI setups, remove:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\InstallShield_{GUID}

4. Navigate to the hidden folder, create a backup, then delete:

<ProgramFiles>\InstallShield Installation Information\{GUID}

Warning: Exercise caution as this may affect other installations.

5. Delete folders:

• C:\Program Files (x86)\CTAPTPR

• C:\Program Files (x86)\Common Files\CTAPTPR

6. Delete registry entries:

• HKEY_CURRENT_USER\Software\PSRE LTD\CTAPTPR\04.85

• HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\PSRE LTD\CTAPTPR\04.85

• HKEY_USERS\.DEFAULT\Software\PSRE LTD\CTAPTPR\04.85

7. Remove registry entries for these libraries:

• Interf1u.dll

• Datau.dll

• Ctaptpru.exe

• Translatetoctpu.dll

• Startconp4daxu.dll

• Startconpcfu.dll

• Startconpdm1.dll

Read-only installation source, insufficient disk space, or path contains unsupported characters

Copy setup files from removable media or network drive to local hard drive with short path and standard characters

Message indicates newer version already installed

Previous version not fully uninstalled. Use Windows Installer CleanUp Utility

Installation fails to start

Possible causes:

1. Antivirus software blocking installation. Temporarily disable during installation

2. Run installation with administrator privileges

3. Installation folder has read-only permissions

4. Check Windows event logs for detailed error information

#2

Software installed but fails to launch

Operating system incompatible with requirements

Verify system requirements in Installation Guide

#3

Error: "The code execution cannot proceed because mfc120u.dll was not found"

Required runtime libraries missing

Install Visual C++ Redistributable Package 2013 https://www.microsoft.com/en-us/download/details.aspx?id=40784

#4

Software installed but fails with error code

USB dongle issue

Refer to Installation Guide and USB Dongle Update for dongle solutions

#5

Performance degradation with large piping models

Undo/redo function consuming excessive resources

Disable undo/redo by setting steps to 0 in General Settings

Excessive messages in Errors and Warnings Window

Set message limit in Errors and Warnings Window via General Settings

#6

• 3D graphics issues: disappearing nodes, text

• Application crashes during 3D model operation

Integrated graphics card active instead of dedicated GPU

In NVIDIA Control Panel, set START-PROF to use high-performance NVIDIA processor

Graphics card incompatible with hardware requirements

Install START-PROF on compliant system meeting hardware requirements

Corrupted or outdated OpenGL drivers

Rename "Opengl32.old" to "Opengl32.dll" in C:\Program Files (x86)\CTAPTPR

Or update graphics drivers to latest version

#7

Application crashes during Word export

Corrupted or outdated OpenGL drivers

Rename "Opengl32.old" to "Opengl32.dll" in C:\Program Files (x86)\CTAPTPR

Or update graphics drivers to latest version

#8

"Unable to save file" error during analysis or file save

Third-party software blocking file operations:

• Antivirus or DLP systems (Symantec, Kaspersky, McAfee, etc.)

• Frozen START-PROF instance

• Other applications (Dropbox, etc.)

• Insufficient temp folder permissions

1) Terminate all START-PROF processes via Task Manager

2) Disable or uninstall antivirus/DLP software temporarily

3) Specify different temp folder in general settings

4) Move model file (.ctp) to location with full write access

#9

No response or error when selecting "Import from PCF"

PCF import plugin not properly registered

1) Uninstall PASS/START-PROF, clean registry and program files (see #13 instructions), then reinstall

2) Verify PCF import DLL registration:

reg query HKLM\SOFTWARE\Classes /s /f NTP.PCFtoStart.dll

Expected output:

3) If unregistered, manually register:

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe /codebase "C:\Program Files (x86)\CTAPTPR\Converters\StPCFImp\NTP.PCFtoStart.dll"

If registration fails, contact system administrator regarding security restrictions

#10

User interface issues: disappearing windows, layout problems

Reinstall PASS/START-PROF or delete registry key: "Компьютер\HKEY_CURRENT_USER\Software\PSRE LTD\CTAPT\04.86\ProfUIS\Profiles\profile\Customization"

#11

"Driver not found" error when opening second START-PROF instance

Insufficient user permissions

Grant current user read/write permissions to Program Files (x86)\START-PROF folder and subfolders to enable multiple instances

#12
Application crashes on startup

Disable automatic updates: Set AutomaticallyCheckForUpdates=0 in HKEY_CURRENT_USER\SOFTWARE\PSRE LTD\CTAPTPR\04.87\Settings

#13

Application instability, frequent crashes, missing nodes/text, or "entry point not found" error