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Troubleshooting Installation Problems

This section contains some technical notes on problems that can happen during the Install and Uninstall process.

Run As Administrator

The most common problems that happen during the install are caused by permissions problems, this is particularly true with Windows Vista and Windows 7 / 10 / 11. These can be resolved by running the install using Run as Administrator. You may need to do this even if you are signed on with a user with administrator rights.

Known Problems with Installing AQT

The following are a list of problems that users have encountered with the install process, and how these can be resolved.

Install Information

Windows keeps information on installed products in the registry at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\, followed by the product key. To find the AQT entry, either search through the entries or contact us for the product key.

The uninstall of AQT can fail if this entry has been corrupted.

This entry will give the location of the *.msi file that the Windows Installer uses for the install.

Microsoft .Net Framework problems

AQT v11 uses .Net Framework 4.5. This is a standard part of Windows 7, 10 and 11. No software needs to be installed for this.

We've had a few users for whom the .Net Framework has become corrupted. They see the following error when attempting to signon to a database:

Processing error at do_conn The type initializer for 'Syncfusion.Windows.Forms.Edit.Implementation.Config.Config' threw an exception.

This problem is described in AQT gets error in Syncfusion.Windows.Forms.Edit.Implementation.Config.Config.