# How to disable and add exceptions to the Software Restriction Policies for TeamViewer in Windows 10
Instruments with Windows 10 OS have the Software Restriction Policies (SRP) Windows feature enabled by default. This security feature blocks programs that are not specifically on the SRP exceptions list. When using TeamViewer QS, an exception must be added to SRP to allow TeamViewer QS to launch properly.
**How to disable SRP**
1. Confirm that a sequencing run is not in progress because this process could interrupt the run.
2. Log in to the system with the **sbsadmin** local account (see Note 1 below).
3. Open Windows File Explorer and navigate to the C:\Illumina\Security folder.
4. Double-click **Disable.reg** and acknowledge the prompts.
5. To reenable SRP, double-click **Enable.reg** and acknowledge the prompts.
**Note 1**: For NovaSeq 6000 with serial numbers smaller than A01535, the **sbsuser** account is part of the Administrators group so no need to switch accounts.
**How to add exceptions for TeamViewer to SRP**
1. Confirm that a sequencing run is not in progress because this process could interrupt the run.
2. Log in to the system with **sbsadmin** local account (see Note 2 below).
3. Disable SRP by navigating to C:\Illumina\Security, double-clicking **Disable.reg**, then acknowledge the prompts.
4. In the Windows search bar, type in **secpol** and open the Desktop App.
5. In the **Local Security Policy** dialog box, expand **Software Restriction Policies**, then select **Additional Rules**.
6. To add a rule:
1. On the **Action** menu, select **New Path Rule**….
2. In the **Path** field, enter the certificate, file name, file extension, or directory that you want to allow.
3. In the **Security level** list, select **Unrestricted**.
4. \[Optional] In the **Description** field, enter a reason for creating the rule.
5. Select **OK** to add the rule.
7. Separately add the following rules according to the previous instructions for both of the following paths:
1. TeamViewerQS\*.exe
2. C:\Users\\*\AppData\Local\Temp\TeamViewer\\*
8. Close the **Local Security Policy** dialogue box.
9. Reenable SRP by navigating to C:\Illumina\Security, double-click **Enable.reg**, then acknowledge the prompts.
10. Sign out of **sbsadmin** account and then sign back in as **sbsuser** for the settings to take effect.
**Note 2**: For NovaSeq 6000 with serial numbers smaller than A01535, the **sbsuser** account is part of the Administrators group so no need to switch accounts.
Figure 1. Double-click **Disable.reg** to disable SRP.
Figure 2. Select **Yes** to acknowledge the prompt.
Figure 3. Select **OK** to acknowledge the prompt.
Figure 4. Open **Local Security Policy** to add exceptions for TeamViewer to SRP.
Figure 5. Expand **Software Restriction Policies** and then select **Additional Rules**.
Figure 6. Select **Action** and then select **New Path Rule**...
Figure 7. Under **Path** select **TeamViewerQS.exe** and in the **Security leve**l select **Unrestricted**.
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| *For any feedback or questions regarding this article (Illumina Knowledge Article #6523), contact Illumina Technical Support* [*techsupport@illumina.com*](mailto:techsupport@illumina.com?subject=Question%2FFeedback%20Regarding%20Illumina%20Knowledge%20Article%20#000006523%20-%20Instrumentation%20\&body=Dear%20Illumina%20Technical%20Support,%0D%0A%0D%0A)*.* |
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