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    <title>Mojang Studios Jira</title>
    <link>https://bugs.mojang.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
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<item>
            <title>[MC-7381] Screen flickering in windowed mode Windows 8 64-bit</title>
                <link>https://bugs.mojang.com/browse/MC-7381</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;Strange screen flickering if I&apos;m playing MC in window mode. Switching to full screen will solve the problem. Anyways, annoying. I have this bug since I use this new PC with Windows 8 64-bit. So it is not depending on the MC version.&lt;/p&gt;</description>
                <environment>Intel Core i7-3820 3,6Ghz&lt;br/&gt;
8192MB RAM&lt;br/&gt;
Windows 8 Pro 64-bit&lt;br/&gt;
Java 7 Update 10 64-bit&lt;br/&gt;
NVIDIA GeForce GTX 555 1GB (Shared Memory: 4037MB)&lt;br/&gt;
&lt;br/&gt;
Current Minecraft version: 13w02b</environment>
        <key id="20167">MC-7381</key>
            <summary>Screen flickering in windowed mode Windows 8 64-bit</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="7">Invalid</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="smattycore">Matt Rothtauscher</reporter>
                        <labels>
                            <label>rendering</label>
                    </labels>
                <created>Sun, 13 Jan 2013 13:00:15 +0100</created>
                <updated>Sun, 3 May 2015 06:20:19 +0200</updated>
                            <resolved>Thu, 24 Jan 2013 19:47:04 +0100</resolved>
                                    <version>Minecraft 1.4.6</version>
                    <version>Minecraft 1.4.7</version>
                    <version>Snapshot 13w02a</version>
                    <version>Snapshot 13w02b</version>
                    <version>Snapshot 13w04a</version>
                                                                        <votes>1</votes>
                                    <watches>4</watches>
                                                                            <comments>
                            <comment id="182143" author="smattycore" created="Wed, 30 Jul 2014 10:42:36 +0200"  >&lt;p&gt;Sorry Megabytes of course, though the ticket is solved I corrected it &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/wink.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt; But would be nice to have 8000 Gigabytes of RAM &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/tongue.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
                            <comment id="182088" author="drradical15" created="Wed, 30 Jul 2014 02:45:42 +0200"  >&lt;p&gt;8192GB RAM??? That&apos;s 4 Exabytes!&lt;/p&gt;</comment>
                            <comment id="106169" author="kumasasa" created="Wed, 25 Sep 2013 07:40:40 +0200"  >&lt;p&gt;Please use the &lt;a href=&quot;http://help.mojang.com/customer/portal/articles/364794-where-can-i-find-more-help-and-technical-support-&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Mojang Support Center&lt;/a&gt;.&lt;/p&gt;

</comment>
                            <comment id="106168" author="mbcx2" created="Wed, 25 Sep 2013 05:49:20 +0200"  >&lt;p&gt;@Kumasasa Installation failed, Searched everywhere for fix, Also the Nivida control panel wont open.&lt;/p&gt;</comment>
                            <comment id="106063" author="kumasasa" created="Tue, 24 Sep 2013 21:28:43 +0200"  >&lt;p&gt;@mbcx2 Download and install the latest Geforce drivers from here: &lt;a href=&quot;http://www.geforce.com/drivers/results/66884&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.geforce.com/drivers/results/66884&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="105972" author="smattycore" created="Tue, 24 Sep 2013 14:16:33 +0200"  >&lt;p&gt;It&apos;s gone here on my PC. There&apos;s no flickering since 13w38 &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/smile.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt; Just a big thank you. &lt;/p&gt;</comment>
                            <comment id="105947" author="mbcx2" created="Tue, 24 Sep 2013 09:07:06 +0200"  >&lt;p&gt;Tested on 13w38c, Still flickering, Very annoying and never stops.&lt;br/&gt;
Manual crash report: &lt;a href=&quot;http://pastebin.com/Fau35zxb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://pastebin.com/Fau35zxb&lt;/a&gt;&lt;br/&gt;
Vanilla 13w38c.&lt;br/&gt;
Tested on 1.6.4, Still flickering, Also does never stop.&lt;br/&gt;
Manual crash report: &lt;a href=&quot;http://pastebin.com/5SuBfAtY&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://pastebin.com/5SuBfAtY&lt;/a&gt;&lt;br/&gt;
Vanilla 1.6.4.&lt;br/&gt;
Edit: Windows 8 Pro 64bit, Nivida GeForce GT 630 (Can go up to 60 fps, not very bad), Java 1.7.0_25, 16 GB Ram, Intel Core i7-2600 CPU @ 3.40GHz, Dual monitor.&lt;/p&gt;</comment>
                            <comment id="97920" author="johnnyszs" created="Fri, 9 Aug 2013 17:15:55 +0200"  >&lt;p&gt;Same problem with the new launcher and 1.6.2. Windows 8 64 bit here as well.&lt;/p&gt;</comment>
                            <comment id="62891" author="smattycore" created="Tue, 23 Apr 2013 20:22:31 +0200"  >&lt;p&gt;Right, I have absolutely the same thing. 13w16a Java 7 Update 21 and latest nvidia drivers which is 314.22. And Win 8 PC is re-installed recently.&lt;/p&gt;</comment>
                            <comment id="62890" author="rohansi" created="Tue, 23 Apr 2013 20:17:55 +0200"  >&lt;p&gt;Still happens for me as well. Minecraft 13w16a (new launcher, of course), Java 7 Update 21, with nvidia driver version 314.22. This was tested with threaded optimization completely disabled (not only for java).&lt;/p&gt;</comment>
                            <comment id="62883" author="smattycore" created="Tue, 23 Apr 2013 19:59:17 +0200"  >&lt;p&gt;Yep, it does, at least on my pc &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/sad.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
                            <comment id="62882" author="grum" created="Tue, 23 Apr 2013 19:56:13 +0200"  >&lt;p&gt;Does this also happen in the latest 1.6 snapshot (new launcher?)&lt;/p&gt;</comment>
                            <comment id="41188" author="renex" created="Wed, 30 Jan 2013 18:49:04 +0100"  >&lt;p&gt;Disable threaded optimization globally, not just for javaw.exe. Fixed for me.&lt;/p&gt;</comment>
                            <comment id="39685" author="rohansi" created="Fri, 25 Jan 2013 09:56:45 +0100"  >&lt;p&gt;There is also a topic on the forums which contains a good video of the issue: &lt;a href=&quot;http://www.minecraftforum.net/topic/1629985-flickering-gui/#entry20291371&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.minecraftforum.net/topic/1629985-flickering-gui/#entry20291371&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;A few posts below that shows a very similar issue happening on OS X.&lt;/p&gt;</comment>
                            <comment id="39474" author="kumasasa" created="Thu, 24 Jan 2013 19:55:10 +0100"  >&lt;p&gt;You wrote&lt;/p&gt;
&lt;blockquote&gt;
&lt;p&gt;I have this bug since I use this new PC with Windows 8 64-bit.&lt;/p&gt;&lt;/blockquote&gt;
&lt;p&gt;thus not a Minecraft problem.&lt;/p&gt;

&lt;p&gt;Try to get decent graphics card drivers.&lt;/p&gt;</comment>
                            <comment id="39470" author="smattycore" created="Thu, 24 Jan 2013 19:48:44 +0100"  >&lt;p&gt;It&apos;s not a technical support thing. This is just in Minecraft not in other games. So I think the problem is somewhere in the code. &lt;/p&gt;</comment>
                            <comment id="39468" author="kumasasa" created="Thu, 24 Jan 2013 19:47:04 +0100"  >&lt;p&gt;This is a technical support issue; this site is for bug reports only. For technical support please use the &lt;a href=&quot;http://help.mojang.com/customer/portal/articles/364794-where-can-i-find-more-help-and-technical-support-&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Mojang Support Center&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="39415" author="huskehn" created="Thu, 24 Jan 2013 17:50:09 +0100"  >&lt;p&gt;Same issue here. Intel i7-3770, 4GB RAM, NVIDIA GeForce GTX 460 768MB (driver 310.90), Windows 8 Pro 64-bit, Java 7 Update 11 64-bit.&lt;/p&gt;</comment>
                            <comment id="37816" author="rohansi" created="Fri, 18 Jan 2013 11:30:10 +0100"  >&lt;p&gt;I have been experiencing the same issue. I have disabled threaded optimization for javaw.exe (made sure I selected the correct exe, too) in the nvidia control panel and still see the flickering. Temperatures are well below 60C for CPU and GPU. I have never had these issues with unmodded Minecraft until I tried it on Windows 8. To better describe the flickering, I can see water, far terrain, or the HUD go invisible for a very short period of time. As for switching to fullscreen, that does seem to fix it but it also looks like switching back to windowed will keep the flickerng away.&lt;/p&gt;

&lt;p&gt;Intel i5-3550, 8GB RAM, NVIDIA GeForce GTX 550 Ti 1GB (driver 310.70), Windows 8 Pro 64-bit, Java 7 Update 10 64-bit&lt;/p&gt;</comment>
                            <comment id="36453" author="smattycore" created="Sun, 13 Jan 2013 15:15:58 +0100"  >&lt;p&gt;Where can I disable Threaded optimization?&lt;br/&gt;
Well, my video card is okay. GTX 555 I wasn&apos;t over 70&#176;C.&lt;/p&gt;</comment>
                            <comment id="36449" author="renex" created="Sun, 13 Jan 2013 15:10:41 +0100"  >&lt;p&gt;Try disabling Threaded Optimization.&lt;/p&gt;

&lt;p&gt;Also check if your video card isn&apos;t overheating, Minecraft can generate a lot of load even on the best cards and nVidia cards tend to flicker when they&apos;re above 65C. And they pass that barrier way too easily.&lt;/p&gt;</comment>
                            <comment id="36439" author="smattycore" created="Sun, 13 Jan 2013 14:44:30 +0100"  >&lt;p&gt;Added &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/wink.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
                            <comment id="36425" author="kumasasa" created="Sun, 13 Jan 2013 14:26:30 +0100"  >&lt;p&gt;Shortened &quot;Summary&quot;&lt;/p&gt;</comment>
                            <comment id="36424" author="kumasasa" created="Sun, 13 Jan 2013 14:25:25 +0100"  >&lt;p&gt;Please force a crash by pressing F3 + C for 10 seconds while ingame and attach the crash report here.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="21129">MC-8212</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="23338">MC-9632</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="23934">MC-10085</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="29892">MC-14476</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="18620" name="crash-2013-01-13_14.28.52-client.txt" size="9060" author="smattycore" created="Sun, 13 Jan 2013 14:31:37 +0100"/>
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