# Tally crashes with MAV(Memory Access Violation)error

![](https://4143609165-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LLk7br3Yi6QanniF9kY%2F-LTpShgUZ0Gn3zTbqq6M%2F-LTpUim2UKuULRHt3Yp_%2FFINAL3.PNG?alt=media\&token=4455a57e-b617-4c35-b807-3b6687fc0481)

{% hint style="info" %}
**Update Tally release if TSS is renewed.**
{% endhint %}

{% hint style="info" %}
**Then 1st we need to take data backup.**
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**Step 1:** Rewrite of data will solve the issue.

![](https://4143609165-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LLk7br3Yi6QanniF9kY%2F-LTpdd6ZzMSnwsFrA9Kz%2F-LTpdlbrFHapCvevDIId%2Ffinal%2011.PNG?alt=media\&token=68ae6e41-9e1c-4f0d-a0cc-8243f5a3e51a)

* Go to the **Gateway of Tally** or the **Company Info**. menu.
* Press **Ctrl+Alt+R** . The List of Companies appears in the Rewrite Company screen.
* **Select the company** for which you want to rewrite data. Press Enter to rewrite the data.
* Once the rewriting procedure is complete, you will be able to access your restored data.

{% hint style="info" %}
**If still this MAV Error occurs then you need to go for Zero Rewrite Process**
{% endhint %}

**Step 2:** Zero Re-write

![](https://4143609165-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LLk7br3Yi6QanniF9kY%2F-LTpdd6ZzMSnwsFrA9Kz%2F-LTpb6SKZ_2-c49bbrL8%2Ffinal%209.PNG?alt=media\&token=5db4f05d-0926-45ed-83fc-e3781e0eee70)

* Close Tally in all systems Need to do this process on Server System.
* Press **Win+R>** Mention: **Target path (space) Data (space) 0 >OK**
* After that Tally will get open and again press **Ctrl+Alt+R** . The List of Companies appears in the Rewrite Company screen.
* Select the company for which you want to rewrite data. **Press Enter** to rewrite the data.