Learn how to fix QuickBooks Error Code 1625 with ease in this helpful guide. If you've encountered this error, you might have seen a message saying, "This installation is forbidden by system policy," usually appearing during the installation or update of TurboTax. Whether it happens during Windows startup, shutdown, or the establishment of the Windows operating system, it can be frustrating. In this post, we'll simplify the steps to tackle QuickBooks Error Code 1625. If you ever need professional assistance, feel free to reach out to our QuickBooks Support team at 1-888-351-0999.

When does QuickBooks Error 1625 appear?

This error might occur during:

·         Installation of the operating system.

·         Opening or closing of Windows.

·         Background processing of Windows Installer and similar software.

Why does this error occur?

You might face this error if:

·         You're not logged in as an admin.

·         The Windows installer program download is corrupted.

·         The Windows registry, where the program is installed, is corrupted.

·         Other external programs have deleted Windows installer files.

Steps to Fix QuickBooks Error 1625

1. Update Device Drivers:

·         Obsolete device drivers can trigger this error. Update your drivers to resolve the issue.

2. Configure Windows Settings:

For Windows Vista, 7, 8, or 10:

·         Press Windows + R to open the Run window.

·         Type gpedit.msc and click OK.

·         Go to Local System Policy > System Configuration > Admin Templates > Windows Components > Windows Installer.

·         Double-click "Prohibit non-admins," set it to Disabled, and click OK.

For Windows XP:

·         Click Start, run gpedit.msc, and follow similar steps as above.

3. Run regedit:

·         Type "regedit" in the search bar and press Enter.

·         Press Ctrl + Shift + Enter.

·         Click Yes in the permission dialog box.

·         Select Export in the File menu, name the backup file, and save it with .reg extension.

4. Configure Software Restriction Policy:

·         Open Control Panel, go to Admin Tools > Local Security Settings > Software Restriction Policies.

·         If no policies are defined, right-click on Software Restriction Policies > New Software Restriction Policy.

·         Double-click Enforcement, select "All users except local admins," and click OK.

·         Reboot your system.

5. Change UAC Settings:

·         Type "MSCONFIG" in the search bar and hit Enter.

·         If the UAC window appears, click Continue.

·         Go to Tools, highlight "Change UAC setting," and click Launch.

·         Choose "Never notify," and reboot if prompted.

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